title: Memoir: W. Robert Penman, M.D., 1920-2000.
authors.affiliation: Obstetrics and Gynecology, University of Pennsylvania, USA.
authors.forename: L
authors.initials: L
authors.lastname: Mastroianni
mesh_terms: D005180:Faculty, Medical / Q000266:history*; D006176:Gynecology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008193:Lyme Disease / Q000266:history; D009774:Obstetrics / Q000266:history*; D010414:Pennsylvania; D012955:Societies, Medical / Q000266:history