Soggetto
- Leopold, Kenneth A.1
- Lerperger, Oskar1
- Letoublon1
- Libusehuz, Robert1
- Lizins, Laimonis1
- Loosen, Peter T.1
- Machemer, Robert, 1933-1
- Mahnensmith, Rex L.1
- Malek, Nabil S.1
- Mansbach, Charles M.1
- Marino, [Livinio] Alb.1
- Maskoba, B. M.1
- Massachusetts General Hospital1
- Mayo Clinic. Library1
- McCuen, Brooks W.1
- McKee, Patrick A.1
- McPherson, Harry T.1
- Medicine1
- Mikulova, Blaz1
- Milwaukee Academy of Medicine1