Medicine & Life Sciences
Cocaine
73%
Oral Administration
63%
Volunteers
61%
Urine
52%
benzoylecgonine
14%
4'-hydroxycocaine
11%
3-hydroxybenzoylecgonine
10%
benzoylnorecgonine
9%
ecgonine methyl ester
8%
norcocaine
8%
Half-Life
8%
Solid Phase Extraction
6%
Healthy Volunteers
6%
Cocaine-Related Disorders
5%
Limit of Detection
4%
Gases
3%
Pharmacokinetics
3%
Safety
2%
Pharmaceutical Preparations
1%
Earth & Environmental Sciences
saliva
95%
half life
61%
plasma
56%
dose
53%
pharmacokinetics
13%
ester
12%
drug
9%
safety
8%
parameter
8%
detection
7%
history
6%
analysis
6%
gas
6%
effect
2%
Engineering & Materials Science
Metabolites
100%
Plasmas
67%
Pharmacokinetics
17%
Esters
13%
Gases
6%
Chemical Compounds
Cocaine
89%
Plasma
45%
Elimination Half-Life
25%
Dose
16%
Ecgonine Methyl Ester
7%
Reaction Half Life
4%
Safety
3%
Pharmacokinetics
3%
Drug
2%
Gas
2%
Amount
1%