Subjects
- Hospitals, Psychiatric227
- Confederate States of America. Army224
- Insurance Coverage -- statistics & numerical data224
- District of Columbia222
- General Surgery222
- Societies, Medical219
- Health Care Reform209
- Schools, Medical209
- Electric Stimulation Therapy206
- Hospitals, Military203
- COVID-19201
- Germany197
- Health Services Accessibility197
- Enzymes196
- Water Supply195
- Communicable Disease Control189
- Community Health Services189
- Smoking189
- Infant186
- Military Hygiene182
