Subjects
- Emergency Medical Services4
- Forecasting4
- Health Education4
- Hospitals4
- Mother-Child Relations4
- Patients4
- Plague -- prevention & control4
- San Francisco4
- Surveys and Questionnaires4
- United States. Public Health and Marine Hospital Service.4
- World Health Organization.4
- Area Health Education Centers3
- Communication3
- France3
- Health Services Research3
- Information Systems3
- Inservice Training3
- Interinstitutional Relations3
- Medical Errors -- prevention & control3
- National Library of Medicine (U.S.)3