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Subjects
- Equipment and Supplies[remove]24
- World Health Organization[remove]24
- Cardiovascular Diseases8
- Health Personnel6
- Nurses4
- Physicians4
- Child3
- Public Health2
- Stethoscopes2
- Sweden2
- USSR2
- X-Rays2
- Aged1
- Infant, Newborn1
- Laboratories1
- Operating Rooms1
- Parturition1
- Patients1
- Physical Examination1
- Smallpox Vaccine1