Subjects
- Heart -- physiology3
- Heart Diseases3
- Hepatitis B Vaccines -- administration & dosage3
- Heroin3
- Hispanic Americans -- history3
- History, 17th Century3
- History, 18th Century3
- Home Care Agencies3
- Homeless Youth3
- Hookworm Infections -- prevention & control3
- Hospital Volunteers3
- Hospitals, Military3
- Hunger3
- Hypercholesterolemia -- complications3
- Hypercholesterolemia -- diagnosis3
- Hypertension3
- Hypertension -- complications3
- Hypertension -- diet therapy3
- Hypertension -- etiology3
- Iceland3