title: Doctor Janusz M. Szajewski, MD (1924-2015).
authors.forename: Ryszard
authors.initials: R
authors.lastname: Feldman
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D007388:Internal Medicine / Q000266:history*; D018156:Journalism, Medical / Q000266:history*; D007723:Korea; D010820:Physicians; D011044:Poland; D012955:Societies, Medical / Q000266:history; D014116:Toxicology / Q000266:history*; D014481:United States