Encyclopedias, Almanacs, Transcripts, and Maps
- Mccarty, Maclyn (1911- )
- McConnell, Robert A. (1914-)
- McCrone, Walter C
- McCune-Albright syndrome
- McCune-Albright Syndrome
- McDonnell Laboratory for Psychic Research
- McKenzie, James Hewat (1869-1929)
- McKusick-Kaufman Syndrome
- McKusick-Kaufman syndrome
- McMahan, Elizabeth Anne (1924-)
- McMoneagle, Joseph (1946-)
- McNallen, Stephen A. (1948-)
- Mead, G(eorge) R(obert) S(tow) (1863-1933)
- Mechanical Printing and Its Impact on Medicine
- Meckel-Gruber syndrome
- Meckel-Gruber Syndrome
- Meckel’s Diverticulum
- Médard Chouart des Groseilliers
- Meddelande Fran Sallskapet fur Parapsykologis
- Medhurst, R. G. (1920-1971)