Subjects
- Legislation, Medical1
- Letterman General Hospital (San Francisco, Calif.)1
- Libraries1
- Libraries -- organization & administration1
- Libraries, Medical1
- Library of the Surgeon-General's Office (U.S.)1
- Literature1
- Long Island College Hospital.1
- Long Island College Hospital. Hoagland Laboratory.1
- Long Island College Hospital. Polhemus Memorial Clinic.1
- Lung -- diagnostic imaging1
- Lung Abscess -- surgery1
- Maryland1
- Massachusetts -- epidemiology1
- Massachusetts General Hospital. Training School for Nurses.1
- Measles -- complications1
- Medical Records1
- Mental Disorders -- etiology1
- Mexico1
- Military Medicine -- education1