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Subjects
- Pharmaceutical Preparations -- administration & dosage2
- Adolescent1
- Analgesics -- therapeutic use1
- Aspirin -- therapeutic use1
- Caffeine -- therapeutic use1
- Communicable Disease Control1
- Communicable Diseases1
- Gastrointestinal Agents1
- Hypnotics and Sedatives -- therapeutic use1
- Michigan1
- Nonprescription Drugs1
- Physicians1
- Sexuality1
- Sexually Transmitted Diseases1