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Subjects
- Hospitals, Teaching -- history[remove]2
- History, 20th Century1
- Johns Hopkins Hospital. Community Pediatric Service.1
- Johns Hopkins University. School of Medicine1
- Long Island College Hospital.1
- Long Island College Hospital. Hoagland Laboratory1
- Long Island College Hospital. Polhemus Memorial Clinic1
- Maryland1
- New York1
- Pediatrics -- education1
- Pediatrics -- history1
- Students, Medical -- history1