Medicine & Life Sciences
HIV
100%
Vietnam
99%
Drug Users
76%
Baltimore
60%
Social Networking
49%
Pharmaceutical Preparations
38%
Risk-Taking
36%
Injections
32%
Sexual and Gender Minorities
26%
Sexual Behavior
17%
Acquired Immunodeficiency Syndrome
17%
African Americans
17%
Methadone
17%
Alcohols
15%
Cross-Sectional Studies
15%
Health
14%
Sociological Factors
13%
Needle Sharing
13%
Heroin
12%
Quality of Life
11%
Condoms
11%
Logistic Models
11%
Sexually Transmitted Diseases
10%
Income
10%
China
10%
Social Support
10%
Pandemics
9%
Sexual Partners
9%
Social Norms
9%
Illicit Drugs
8%
Needle-Exchange Programs
8%
Therapeutics
8%
Opioid Analgesics
8%
Mental Health
8%
Bibliometrics
8%
African Continental Ancestry Group
8%
HIV Infections
8%
Interviews
7%
Occupational Groups
7%
Odds Ratio
7%
Smokers
7%
Hepacivirus
7%
Epidemics
7%
Randomized Controlled Trials
7%
Sex Workers
7%
Smoking
7%
Unsafe Sex
6%
Cocaine
6%
Communication
6%
Social Sciences
Vietnam
64%
drug
57%
drug use
25%
social network
25%
risk behavior
24%
health
16%
AIDS
13%
smoking
11%
regression
11%
American
11%
cross-sectional study
11%
quality of life
11%
alcohol
10%
logistics
9%
worker
9%
willingness to pay
8%
vaccination
8%
mental health
6%
contagious disease
6%
China
5%
social support
5%
low income
5%