[From the history of the control of parasitic typhus (1918-1921)].
D049673:History, 20th Century; D006801:Humans; D011635:Public Health Administration / Q000266:history; D014438:Typhus, Epidemic Louse-Borne / Q000266:history* / Q000517:prevention & control
Iz istorii bor'by s parazitarnymi tifami (1918-1921)