In quest of Fleck: science from the holocaust.
D000941:Antigens / Q000302:isolation & purification; D049673:History, 20th Century; D006801:Humans; D011044:Poland; D012283:Rickettsia prowazekii / Q000276:immunology; D012290:Rickettsial Vaccines / Q000266:history*; D012699:Serology / Q000266:history; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology* / Q000652:urine; D014556:Urine / Q000276:immunology; D014612:Vaccines / Q000266:history*
D000941:Antigens; D012290:Rickettsial Vaccines; D014612:Vaccines