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Subjects
- Mental Disorders -- therapy1
- Metatarsalgia1
- Metatarsalgia -- surgery1
- Metatarsophalangeal Joint1
- Metatarsophalangeal Joint -- surgery1
- Methodist Episcopal Hospital (Philadelphia, Pa.)3
- Microscopy1
- Military Medicine1
- Mollusca -- classification1
- Morbidity1
- Mortality11
- Morton, Samuel George, 1799-1851.2
- Municipal Hospital for Infectious Diseases of Philadelphia.1
- Muscular Atrophy1
- Museums5
- Mütter Museum.1