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Subjects
- Macdonald, James, 1803-1849.2
- Maclure, William, 1763-1840.1
- Magic3
- Magnetic Field Therapy5
- Magnetic Fields1
- Magnetic Phenomena1
- Magnetics1
- Maine2
- Malaria3
- Male Urogenital Diseases2
- Malgaigne, J.-F. (Joseph-François), 1806-1865.1
- Malpractice4
- Malpractice -- legislation & jurisprudence2
- Malta1
- Marriage13
- Maryland3
- Massachusetts32
- Massachusetts General Hospital.1
- Massachusetts Medical Society.3
- Massachusetts Temperance Society.1