Research Output per year
Research Output 1978 2019
- 1 - 50 out of 235 results
- Publication Year, Title (descending)
2019
Association Between Statin Use and Sex Hormone in the Multi-Ethnic Study of Atherosclerosis Cohort
Oluleye, O. W., Kronmal, R. A., Folsom, A. R., Vaidya, D. M., Ouyang, P., Duprez, D. A., Dobs, A. S., Yarmohammadi, H. & Konety, S. H., Oct 1 2019, In : The Journal of clinical endocrinology and metabolism. 104, 10, p. 4600-4606 7 p.Research output: Contribution to journal › Article
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Gonadal Steroid Hormones
Atherosclerosis
Cohort Studies
Dehydroepiandrosterone
Community Engagement to Address Cancer Health Disparities: A Process EVALUATION using the Partnership Self-Assessment Tool
Brown, Q. L., Elmi, A., Bone, L. R., Stillman, F. A., Mbah, O., Bowie, J., Wenzel, J., Gray, A., Ford, J. G., Slade, J. L. & Dobs, A. S., Jan 1 2019, In : Progress in community health partnerships : research, education, and action. 13, 1, p. 97-104 8 p.Research output: Contribution to journal › Article
Baltimore
self-assessment
African Americans
Decision Making
cancer
Effect of Testosterone Use on Bone Mineral Density in HIV-Infected Men
Grant, P. M., Li, X., Jacobson, L. P., Palella, F. J., Kingsley, L. A., Margolick, J. B., Dobs, A. S., Lake, J. E., Althoff, K. & Brown, T. T., Jan 1 2019, In : AIDS Research and Human Retroviruses. 35, 1, p. 75-80 6 p.Research output: Contribution to journal › Article
Bone Density
Testosterone
HIV
Spine
Hip
Is it time to test the effect of weight loss on testosterone?
Singh, A. & Dobs, A. S., Jan 1 2019, In : Clinical Chemistry. 65, 1, p. 48-50 3 p.Research output: Contribution to journal › Article
Testosterone
Weight Loss
Male reproductive health in cystic fibrosis
Yoon, J. C., Casella, J. L., Litvin, M. & Dobs, A. S., Oct 2019, In : Journal of Cystic Fibrosis. 18, p. S105-S110Research output: Contribution to journal › Article
Hypogonadism
Reproductive Health
Cystic Fibrosis
Infertility
Testosterone
Selenium and Sex Steroid Hormones in a U.S. Nationally Representative Sample of Men: A Role for the Link between Selenium and Estradiol in Prostate Carcinogenesis?
Van Hemelrijck, M., Sollie, S., Nelson, W. G., Yager, J. D., Kanarek, N. F., Dobs, A. S., Platz, E. A. & Rohrmann, S., Mar 1 2019, In : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 28, 3, p. 578-583 6 p.Research output: Contribution to journal › Article
Gonadal Steroid Hormones
Selenium
Prostate
Estradiol
Carcinogenesis
2018
Analysis of cardiovascular risk factors associated with serum testosterone levels according to the US 2011–2012 National Health and Nutrition Examination Survey
Deng, C., Zhang, Z., Li, H., Bai, P., Cao, X. & Dobs, A. S., Jun 20 2018, (Accepted/In press) In : Aging Male. p. 1-8 8 p.Research output: Contribution to journal › Article
Nutrition Surveys
Testosterone
Serum
HDL Cholesterol
Body Mass Index
A Novel Approach for Fully Automated, Personalized Health Coaching for Adults with Prediabetes: Pilot Clinical Trial
Everett, E., Kane, B., Yoo, A., Dobs, A. S. & Mathioudakis, N. N., Feb 27 2018, In : Journal of medical Internet research. 20, 2, p. e72Research output: Contribution to journal › Article
Open Access
Prediabetic State
Clinical Trials
Health
Telemedicine
Body Weight
To T or not to T: Differences in Testosterone Use and Discontinuation by HIV Serostatus among Men who Have Sex with Men
Haberlen, S., Jacobson, L. P., Palella, F. J., Dobs, A. S., Plankey, M., Lake, J. E., Kingsley, L. A., Stall, R., Post, W. S. & Brown, T. T., Oct 1 2018, In : HIV Medicine. 19, 9, p. 634-644 11 p.Research output: Contribution to journal › Article
Testosterone
HIV
Cardiovascular Diseases
Therapeutics
Los Angeles
2017
Association of Urinary Phthalate Metabolites With Erectile Dysfunction in Racial and Ethnic Groups in the National Health and Nutrition Examination Survey 2001-2004
Lopez, D. S., Advani, S., Tsilidis, K. K., Wang, R., Baillargeon, J., Dobs, A. S., Symanski, E. & Canfield, S., May 1 2017, In : American Journal of Men's Health. 11, 3, p. 576-584 9 p.Research output: Contribution to journal › Article
Nutrition Surveys
Erectile Dysfunction
Ethnic Groups
nutrition
ethnic group
Changes in bone turnover markers with HIV seroconversion and ART initiation
behalf of the Multicenter AIDS Cohort Study group (MACS) & Johnson-Hill, L., 2017, In : Journal of Antimicrobial Chemotherapy. 72, 5, p. 1456-1461 6 p.Research output: Contribution to journal › Article
HIV Seropositivity
Bone Remodeling
HIV
Osteocalcin
HIV Infections
Consumption of caffeinated beverages and serum concentrations of sex steroid hormones in US men
Frey, T., Platz, E. A., Kanarek, N. F., Bradwin, G., Dobs, A. S. & Rohrmann, S., Nov 24 2017, (Accepted/In press) In : Cancer Causes and Control. p. 1-10 10 p.Research output: Contribution to journal › Article
Beverages
Gonadal Steroid Hormones
Sex Hormone-Binding Globulin
Caffeine
Carbonated Beverages
Inflammation, Immune Activation, Immunosenescence, and Hormonal Biomarkers in the Frailty-Related Phenotype of Men With or at Risk for HIV Infection
Erlandson, K. M., Ng, D., Jacobson, L. P., Margolick, J. B., Dobs, A. S., Palella, F. J., Lake, J. E., Bui, H., Kingsley, L. & Brown, T. T., Jan 15 2017, In : The Journal of infectious diseases. 215, 2, p. 228-237 10 p.Research output: Contribution to journal › Article
Virus Diseases
Biomarkers
HIV
Inflammation
Phenotype
Pre-diabetes and serum sex steroid hormones among US men
Arthur, R., Rohrmann, S., Møller, H., Selvin, E., Dobs, A. S., Kanarek, N. F., Nelson, W. G., Platz, E. A. & Van Hemelrijck, M., Jan 1 2017, In : Andrology. 5, 1, p. 49-57 9 p.Research output: Contribution to journal › Article
Gonadal Steroid Hormones
Sex Hormone-Binding Globulin
Odds Ratio
Serum
Estradiol
Psychometric Evaluation of the Hypogonadism Impact of Symptoms Questionnaire Short Form (HIS-Q-SF)
Gelhorn, H. L., Roberts, L. J., Khandelwal, N., Revicki, D. A., Derogatis, L., Dobs, A. S., Hepp, Z. & Miller, M. G., Aug 1 2017, In : Journal of Sexual Medicine. 14, 8, p. 1046-1058 13 p.Research output: Contribution to journal › Article
Hypogonadism
Psychometrics
Testosterone
Reproducibility of Results
Cognition
Racial/ethnic differences in the associations of overall and central body fatness with circulating hormones and metabolic factors in US men
Lopez, D. S., Rohrmann, S., Peskoe, S. B., Joshu, C. E., Tsilidis, K. K., Selvin, E., Dobs, A. S., Kanarek, N. F., Canfield, S., Nelson, W. G. & Platz, E. A., Apr 1 2017, In : International Journal of Endocrinology and Metabolism. 15, 2, e44926.Research output: Contribution to journal › Article
Waist Circumference
Adipose Tissue
Ethnic Groups
Hormones
Nutrition Surveys
2016
Association between endogenous testosterone and cerebrovascular disease in the ARIC study (Atherosclerosis Risk in Communities)
Srinath, R., Gottesman, R. F., Golden, S. H., Carson, K. A. & Dobs, A. S., Nov 1 2016, In : Stroke. 47, 11, p. 2682-2688 7 p.Research output: Contribution to journal › Article
Cerebrovascular Disorders
Testosterone
Atherosclerosis
Stroke
Body Mass Index
Association of endogenous testosterone with subclinical atherosclerosis in men: The multi-ethnic study of atherosclerosis
Khazai, B., Golden, S. H., Colangelo, L. A., Swerdloff, R., Wang, C., Honoris, L., Gapstur, S. M., Ouyang, P., Cushman, M., Li, D., Kopp, P., Vaidya, D., Liu, K., Dobs, A. S. & Budoff, M., May 1 2016, In : Clinical Endocrinology. 84, 5, p. 700-707 8 p.Research output: Contribution to journal › Article
Carotid Intima-Media Thickness
Testosterone
Atherosclerosis
Coronary Vessels
Calcium
Bilateral adrenal hyperplasia as a possible mechanism for hyperandrogenism in women with polycystic ovary syndrome
Gourgari, E., Lodish, M., Keil, M., Sinaii, N., Turkbey, E., Lyssikatos, C., Nesterova, M., Sierra, M., Xekouki, P., Khurana, D., Ten, S., Dobs, A. S. & Stratakis, C. A., Sep 1 2016, In : Journal of Clinical Endocrinology and Metabolism. 101, 9, p. 3353-3360 8 p.Research output: Contribution to journal › Article
Hyperandrogenism
Polycystic Ovary Syndrome
Dexamethasone
Hyperplasia
Hydrocortisone
Comparison of insulin resistance to coronary atherosclerosis in human immunodeficiency virus infected and uninfected men (from the Multicenter AIDS Cohort Study)
Brener, M. I., Post, W. S., Haberlen, S., Zhang, L., Palella, F. J., Jacobson, L. P., Dobs, A. S., George, R. T., Witt, M. D., Budoff, M., Kingsley, L. A. & Brown, T. T., Mar 15 2016, In : The American Journal of Cardiology. 117, 6, p. 993-1000 8 p.Research output: Contribution to journal › Article
Insulin Resistance
Coronary Artery Disease
Acquired Immunodeficiency Syndrome
Cohort Studies
HIV
Content Validity of the Hypogonadism Impact of Symptoms Questionnaire (HIS-Q): A Patient-Reported Outcome Measure to Evaluate Symptoms of Hypogonadism
Gelhorn, H. L., Vernon, M. K., Stewart, K. D., Miller, M. G., Brod, M., Althof, S. E., Derogatis, L., Dobs, A. S., Seftel, A. D. & Revicki, D. A., Apr 1 2016, In : Patient. 9, 2, p. 181-190 10 p.Research output: Contribution to journal › Article
Hypogonadism
Eunuchism
Interviews
Libido
Response Elements
Development of the Hypogonadism Impact of Symptoms Questionnaire Short Form: Qualitative Research
Gelhorn, H. L., Bodhani, A. R., Wahala, L. S., Sexton, C., Landrian, A., Miller, M. G., Derogatis, L., Dobs, A. S. & Revicki, D. A., Nov 1 2016, In : Journal of Sexual Medicine. 13, 11, p. 1729-1736 8 p.Research output: Contribution to journal › Article
Hypogonadism
Qualitative Research
Interviews
Testosterone
Focus Groups
Fundamental Concepts Regarding Testosterone Deficiency and Treatment: International Expert Consensus Resolutions
Morgentaler, A., Zitzmann, M., Traish, A. M., Fox, A. W., Jones, T. H., Maggi, M., Arver, S., Aversa, A., Chan, J. C. N., Dobs, A. S., Hackett, G. I., Hellstrom, W. J., Lim, P., Lunenfeld, B., Mskhalaya, G., Schulman, C. C. & Torres, L. O., Jul 1 2016, In : Mayo Clinic Proceedings. 91, 7, p. 881-896 16 p.Research output: Contribution to journal › Article
Testosterone
Consensus
Therapeutics
Eunuchism
Endocrinology
Longitudinal Changes over 10 Years in Free Testosterone among HIV-Infected and HIV-Uninfected Men
for the Multicenter AIDS Cohort Study (MACS) & Johnson-Hill, L., Jan 1 2016, In : Journal of Acquired Immune Deficiency Syndromes. 71, 1, p. 57-64 8 p.Research output: Contribution to journal › Article
Testosterone
HIV
Confidence Intervals
Acquired Immunodeficiency Syndrome
Cohort Studies
Psychometric Evaluation of the Hypogonadism Impact of Symptoms Questionnaire
Gelhorn, H. L., Dashiell-Aje, E., Miller, M. G., Derogatis, L., Dobs, A. S., Seftel, A. D., Althof, S. E., Brod, M. & Revicki, D. A., Nov 1 2016, In : Journal of Sexual Medicine. 13, 11, p. 1737-1749 13 p.Research output: Contribution to journal › Article
Hypogonadism
Psychometrics
Testosterone
Cognition
Sleep
Testosterone treatment is not associated with increased risk of adverse cardiovascular events: results from the Registry of Hypogonadism in Men (RHYME)
the RHYME Investigators, Oct 1 2016, In : International Journal of Clinical Practice. 70, 10, p. 843-852 10 p.Research output: Contribution to journal › Article
Hypogonadism
Registries
Testosterone
Therapeutics
Physical Examination
The consensus recommendations of a group of international experts on the fundamental concepts related to the issues of testosterone deficiency and its treatment
Morgentaler, A., Zitzmann, M., Traish, A. M., Fox, A. W., Jones, T. H., Maggi, M., Stefan, A., Aversa, A., Chan, J. C. N., Dobs, A. S., Hackett, G. I., Hellstrom, W. J., Lim, P., Lunenfeld, B., Mskhalaya, G., Schulman, C. C. & Torres, L. O., 2016, In : Obesity and Metabolism. 13, 3, p. 15-31 17 p.Research output: Contribution to journal › Article
Testosterone
Therapeutics
Eunuchism
Endocrinology
Czech Republic
The relationship of fasting hyperglycemia to changes in fat and muscle mass after exercise training in type 2 diabetes
Yalamanchi, S. V., Stewart, K., Ji, N., Golden, S. H., Dobs, A. S., Becker, D. M., Vaidya, D., Kral, B. G. & Kalyani, R. R., Dec 1 2016, In : Diabetes Research and Clinical Practice. 122, p. 154-161 8 p.Research output: Contribution to journal › Article
Hyperglycemia
Type 2 Diabetes Mellitus
Fasting
Fats
Exercise
2015
Accelerated longitudinal gait speed decline in HIV-infected older men
for the Multicenter AIDS Cohort Study, Dec 1 2015, In : Journal of Acquired Immune Deficiency Syndromes. 70, 4, p. 370-376 7 p.Research output: Contribution to journal › Article
HIV
Gait
Walking Speed
Acquired Immunodeficiency Syndrome
Cohort Studies
Circulating total testosterone and PSA concentrations in a nationally representative sample of men without a diagnosis of prostate cancer
Peskoe, S. B., Joshu, C. E., Rohrmann, S., McGlynn, K. A., Nyante, S. J., Bradwin, G., Dobs, A. S., Kanarek, N. F., Nelson, W. G. & Platz, E. A., Aug 1 2015, In : Prostate. 75, 11, p. 1167-1176 10 p.Research output: Contribution to journal › Article
Social Adjustment
Testosterone
Prostatic Neoplasms
Sex Hormone-Binding Globulin
Hormones
Comparison of survival and clinicopathologic features in colorectal cancer among African American, Caucasian, and Chinese patients treated in the United States: Results from the surveillance epidemiology and end results (SEER) database
Lin, J., Qiu, M., Xu, R. & Dobs, A. S., 2015, In : Oncotarget. 6, 32, p. 33935-33943 9 p.Research output: Contribution to journal › Article
African Americans
Colorectal Neoplasms
Epidemiology
Databases
Survival
Endogenous testosterone and its relationship to preclinical and clinical measures of cardiovascular disease in the atherosclerosis risk in communities study
Srinath, R., Golden, S. H., Carson, K. A. & Dobs, A. S., Apr 1 2015, In : Journal of Clinical Endocrinology and Metabolism. 100, 4, p. 1602-1608 7 p.Research output: Contribution to journal › Article
Testosterone
Atherosclerosis
Cardiovascular Diseases
Mortality
Coronary Disease
Lipoprotein particles in adolescents and young women with PCOS provide insights into their cardiovascular risk
Gourgari, E., Lodish, M., Shamburek, R., Keil, M., Wesley, R., Walter, M., Sampson, M., Bernstein, S., Khurana, D., Lyssikatos, C., Ten, S., Dobs, A. S., Remaley, A. T. & Stratakis, C. A., Nov 1 2015, In : Journal of Clinical Endocrinology and Metabolism. 100, 11, p. 4291-4298 8 p.Research output: Contribution to journal › Article
Polycystic Ovary Syndrome
LDL Lipoproteins
Lipoproteins
Insulin Resistance
Insulin
Mobilizing social support networks to improve cancer screening: The COACH randomized controlled trial study design
Mbah, O., Ford, J. G., Qiu, M., Wenzel, J., Bone, L. R., Bowie, J., Elmi, A., Slade, J. L., Towson, M. & Dobs, A. S., 2015, In : BMC Cancer. 15, 1, 907.Research output: Contribution to journal › Article
Early Detection of Cancer
Social Support
Randomized Controlled Trials
Neoplasms
Uterine Cervical Neoplasms
Osteoprotegerin, but not receptor activator for nuclear factor-κB ligand, is associated with subclinical coronary atherosclerosis in HIV-infected men
Ketlogetswe, K. S., McKibben, R., Jacobson, L. P., Li, X., Dobs, A. S., Budoff, M., Witt, M. D., Palella, F. J., Kingsley, L., Margolick, J. B., Post, W. S. & Brown, T. T., Dec 1 2015, In : Journal of Acquired Immune Deficiency Syndromes. 70, 4, p. 362-369 8 p.Research output: Contribution to journal › Article
Osteoprotegerin
Cytoplasmic and Nuclear Receptors
Coronary Artery Disease
HIV
Ligands
Targeting and tailoring health communications in breast screening interventions
Shirazi, M., Engelman, K. K., Mbah, O., Shirazi, A., Robbins, I., Bowie, J., Popal, R., Wahwasuck, A., Whalen-White, D., Greiner, A., Dobs, A. S. & Bloom, J., Jul 24 2015, In : Progress in community health partnerships : research, education, and action. 9, p. 83-89 7 p.Research output: Contribution to journal › Article
Health Communication
communications
Breast
cancer
Breast Neoplasms
2014
Anti-aging diet and supplements: Fact or fiction?
Adomaityte, J., Mullin, G. & Dobs, A. S., Dec 20 2014, In : Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition. 29, 6, p. 844-846 3 p.Research output: Contribution to journal › Article
Diet
Mediterranean Diet
Sirolimus
Vitamins
Animal Models
Enobosarm (GTx-024, S-22): A potential treatment for cachexia
Srinath, R. & Dobs, A. S., Feb 2014, In : Future Oncology. 10, 2, p. 187-194 8 p.Research output: Contribution to journal › Article
Cachexia
Androgen Receptors
Therapeutics
Sarcopenia
Anabolic Agents
Gonadal function and reproductive health in women with human immunodeficiency virus infection
Yalamanchi, S., Dobs, A. S. & Greenblatt, R. M., 2014, In : Endocrinology and Metabolism Clinics of North America. 43, 3, p. 731-741 11 p.Research output: Contribution to journal › Article
Reproductive Health
Virus Diseases
HIV
Pregnancy Complications
Sexual Partners
Lower adiponectin is associated with subclinical cardiovascular disease among HIV-infected men
Ketlogetswe, K. S., Post, W. S., Li, X., Palella, F. J., Jacobson, L. P., Margolick, J. B., Kingsley, L. A., Witt, M. D., Dobs, A. S., Budoff, M. J. & Brown, T. T., Mar 27 2014, In : AIDS. 28, 6, p. 901-909 9 p.Research output: Contribution to journal › Article
Adiponectin
Cardiovascular Diseases
HIV
Adipokines
Adiposity
Morning free and total testosterone in HIV-infected men: Implications for the assessment of hypogonadism
Monroe, A. K., Dobs, A. S., Palella, F. J., Kingsley, L. A., Witt, M. D. & Brown, T. T., Jan 22 2014, In : AIDS Research and Therapy. 11, 1, 6.Research output: Contribution to journal › Article
Hypogonadism
Testosterone
HIV
Acquired Immunodeficiency Syndrome
Cohort Studies
Racial variation in sex steroid hormone concentration in black and white men: A meta-analysis
Richard, A., Rohrmann, S., Zhang, L., Eichholzer, M., Basaria, S., Selvin, E., Dobs, A. S., Kanarek, N. F., Menke, A., Nelson, W. G. & Platz, E. A., 2014, In : Andrology. 2, 3, p. 428-435 8 p.Research output: Contribution to journal › Article
Gonadal Steroid Hormones
Meta-Analysis
Testosterone
Sex Hormone-Binding Globulin
Estradiol
Testosterone 2% gel can normalize testosterone concentrations in men with low testosterone regardless of body mass index
Dobs, A. S., Norwood, P., Potts, S., Gould, E. & Chitra, S., Jan 1 2014, In : Journal of Sexual Medicine. 11, 3, p. 857-864 8 p.Research output: Contribution to journal › Article
Testosterone
Body Mass Index
Gels
Serum
Thigh
Testosterone 2% gel can normalize testosterone concentrations in men with low testosterone regardless of body mass index
Dobs, A., Norwood, P., Potts, S., Gould, E. & Chitra, S., 2014, In : Journal of Sexual Medicine. 11, 3, p. 857-864 8 p.Research output: Contribution to journal › Article
Testosterone
Body Mass Index
Gels
Serum
Thigh
2013
A little better than placebo is still better than nothing
Dobs, A. S., Aug 2013, In : Nature Medicine. 19, 8, p. 962 1 p.Research output: Contribution to journal › Article
Drug Dose Response Relationship
Paroxetine
United States Food and Drug Administration
Menopause
Placebos
Alogliptin after acute coronary syndrome in patients with type 2 diabetes
EXAMINE Investigators, Jan 1 2013, In : New England Journal of Medicine. 369, 14, p. 1327-1335 9 p.Research output: Contribution to journal › Article
Acute Coronary Syndrome
Type 2 Diabetes Mellitus
Placebos
Hypoglycemic Agents
Dipeptidyl-Peptidase IV Inhibitors
Association of serum calcium with serum sex steroid hormones in men in NHANES III
Van Hemelrijck, M., Michaelsson, K., Nelson, W. G., Kanarek, N. F., Dobs, A. S., Platz, E. A. & Rohrmann, S., Dec 2013, In : Aging Male. 16, 4, p. 151-158 8 p.Research output: Contribution to journal › Article
Nutrition Surveys
Gonadal Steroid Hormones
Calcium
Serum
Sex Hormone-Binding Globulin
Effects of enobosarm on muscle wasting and physical function in patients with cancer: A double-blind, randomised controlled phase 2 trial
Dobs, A. S., Boccia, R. V., Croot, C. C., Gabrail, N. Y., Dalton, J. T., Hancock, M. L., Johnston, M. A. & Steiner, M. S., Apr 2013, In : The Lancet Oncology. 14, 4, p. 335-345 11 p.Research output: Contribution to journal › Article
Placebos
Muscles
Safety
Neoplasms
Muscle Neoplasms
Efficacy and safety of sitagliptin added to ongoing metformin and rosiglitazone combination therapy in a randomized placebo-controlled 54-week trial in patients with type 2 diabetes
Dobs, A. S., Goldstein, B. J., Aschner, P., Horton, E. S., Umpierrez, G. E., Duran, L., Hill, J. S., Chen, Y., Golm, G. T., Langdon, R. B., Williams-Herman, D. E., Kaufman, K. D., Amatruda, J. M. & Ferreira, J. C. A., Mar 2013, In : Journal of Diabetes. 5, 1, p. 68-79 12 p.Research output: Contribution to journal › Article
Type 2 Diabetes Mellitus
rosiglitazone
Placebos
Safety
Metformin
Lipodystrophy and inflammation predict later grip strength in HIV-infected men: The MACS body composition substudy
Crawford, K. W., Li, X., Xu, X., Abraham, A. G., Dobs, A. S., Margolick, J. B., Palella, F. J., Kingsley, L. A., Witt, M. D. & Brown, T. T., Aug 1 2013, In : AIDS Research and Human Retroviruses. 29, 8, p. 1138-1145 8 p.Research output: Contribution to journal › Article
Lipodystrophy
Hand Strength
Body Composition
Acquired Immunodeficiency Syndrome
Cohort Studies