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Subjects
- Maclure, William, 1763-1840.1
- Malaria -- drug therapy1
- Malpractice -- legislation & jurisprudence1
- Maryland1
- Materia Medica1
- Maternal Age1
- McClellan, George, 1796-1847.1
- Measles -- prevention & control1
- Median Nerve -- surgery1
- Medical College of Philadelphia.3
- Medical History Taking1
- Medical Institute of Philadelphia.2
- Medical Library of the Philadelphia Almshouse.2
- Medical Staff1
- Medicine13
- Medico-Chirurgical College of Philadelphia.2
- Medico-Chirurgical Hospital (Philadelphia, Pa.)2
- Meigs, Charles D. (Charles Delucena), 1792-1869.2
- Meigs, J. Forsyth (John Forsyth), 1818-1882.1
- Meigs, James Aitken, 1829-1879.1