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Subjects
- Macdonald, James, 1803-1849.1
- Magnetic Phenomena2
- Malaria1
- Malaria -- blood1
- Malaria -- epidemiology1
- Malpractice2
- Malpractice -- legislation & jurisprudence1
- Mandatory Reporting1
- Mandibular Diseases1
- March, Alden, 1795-1869.4
- Marvin, George, 1798-1874.1
- Maryland1
- Massachusetts1
- Mastectomy, Radical -- methods1
- Mastoiditis -- surgery1
- McClellan, Samuel, 1787-1855.1
- McDougall Hospital.1
- McNaughton, James, 1796-1874.1
- Meade, William.1
- Measles1