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Subjects
- Delivery of Health Care205
- China198
- Sexual Behavior194
- Surgeons193
- Homosexuality, Male192
- Health Knowledge, Attitudes, Practice189
- Substance-Related Disorders -- prevention & control182
- World Health Organization.181
- Veterans179
- Acquired Immunodeficiency Syndrome -- transmission176
- Black or African American173
- Health Behavior170
- Public Health162
- Sexually Transmitted Diseases -- prevention & control160
- Hotlines146
- Obstetrics144
- Program Evaluation142
- Infant139
- DNA, Recombinant137
- RNA136