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HIV Infections
Acquired Immunodeficiency Syndrome
Substance-Related Disorders
Pregnancy Complications, Infectious
United States
New York
Medicaid
Physician's Practice Patterns
Questionnaires
Cohort Studies
Logistic Models
Risk Factors
Odds Ratio
Retrospective Studies
Severity of Illness Index
Pregnancy
Primary Health Care
Ambulatory Care
Prenatal Care
Anti-HIV Agents
Co-Publications
31
21
17
12
11
9
8
7
6
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