Chemical Compounds
Intranasal
82%
Heroin
72%
Morphine
60%
6-Acetylmorphine
57%
Drug
27%
Immunoassay
16%
Dose
13%
Gas Chromatography Mass Spectrometry (GCMS)
12%
Time
6%
Medicine & Life Sciences
Heroin
58%
6-O-monoacetylmorphine
58%
Opiate Alkaloids
55%
Morphine
48%
Intranasal Administration
21%
Pharmaceutical Preparations
21%
Immunoassay
17%
Specimen Handling
11%
Gas Chromatography-Mass Spectrometry
10%
Healthy Volunteers
5%
Engineering & Materials Science
Opiate Alkaloids
100%
Testing
26%
Metabolites
23%
Mass spectrometry
10%
Gas chromatography
10%
Human computer interaction
8%
Earth & Environmental Sciences
excretion
54%
drug
41%
immunoassay
22%
dose
12%
detection
9%
gas chromatography
7%
mass spectrometry
7%