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Subjects
- United States47
- Child30
- Physicians20
- Hygiene14
- Philadelphia14
- Homeopathy13
- Mexico13
- New York13
- Electric Stimulation Therapy12
- Public Health12
- Hysterectomy -- methods11
- New York City9
- Appendicitis -- surgery8
- District of Columbia8
- Sanitation8
- Baltimore7
- Massachusetts7
- Surgical Procedures, Operative7
- Symphysiotomy7
- Therapeutics7