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Subjects
- Africa, Western1
- African Continental Ancestry Group1
- Aged1
- Aircraft1
- Ambulances1
- Bandages1
- Bangladesh3
- Blindness1
- Bloodletting1
- Cardiovascular Diseases10
- Child12
- Education, Medical2
- Emergency Medical Services3
- Equipment and Supplies9
- Eye Diseases1
- Health Education3
- Health Personnel15
- Health Promotion2
- Hospitals4
- Infant1