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Subjects
- MacArthur, Douglas, 1880-1964.1
- Malaria1
- Malaria -- prevention & control15
- Malingering1
- Mandatory Reporting1
- Masks2
- Massachusetts1
- Massachusetts. Surgeon-General's Office1
- Materia Medica3
- Mathematics -- education1
- Medical Errors1
- Medical Laboratory Personnel1
- Medical Records3
- Medical Writing1
- Mediterranean Region3
- Mercury Compounds -- adverse effects1
- Michigan1
- Middleton, William Shainline, 1890-1975.1
- Military Facilities -- history1
- Military Hygiene39