In honor of Alfred Schutt Ketcham, M.D.
Morton
Donald L
DL
D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D008495:Medical Oncology / Q000266:history; D009316:National Institutes of Health (U.S.) / Q000266:history; D013663:Teaching; D014481:United States