Antibody deficiency in patients with frequent exacerbations of Chronic Obstructive Pulmonary Disease (COPD)

Agriculture & Biology

• respiratory tract diseases 84%
• disease progression 69%
• antibodies 51%
• adrenal cortex hormones 13%
• risk factors 11%
• immunoglobulins 11%
• mouth 9%
• antibiotics 9%
• prospective studies 7%
• lung function 7%
• antibody detection 7%
• immunosuppression 7%
• health services 6%
• morbidity 6%
• case studies 5%
• therapeutics 4%
• death 4%
• dosage 3%
• testing 2%

Medicine & Life Sciences

• Chronic Obstructive Pulmonary Disease 69%
• Antibodies 43%
• Disease Progression 43%
• Immunologic Deficiency Syndromes 21%
• Adrenal Cortex Hormones 9%
• IgA Deficiency 8%
• Common Variable Immunodeficiency 8%
• Primary Immunodeficiency Diseases 8%
• Anti-Bacterial Agents 7%
• Passive Immunization 7%
• Patient Acceptance of Health Care 7%
• Causality 5%
• Immunoglobulins 5%
• Cause of Death 4%
• Immunoglobulin G 4%
• Hospitalization 4%
• Observation 4%
• Prospective Studies 3%
• Morbidity 3%
• Lung 3%
• Mortality 3%
• Serum 2%
• Therapeutics 1%

Chemical Compounds

• Adrenal Cortex Hormone 100%
• Antimicrobial Agent 54%
• Dose 29%
• Time 27%
• Reduction 17%