[Toward an understanding of the social hygiene of F. F. Erismann (an unpublished letter of the great hygienist)].
D049672:History, 19th Century; D011635:Public Health Administration / Q000266:history*; D012425:Russia (Pre-1917)
K ponimaniiu sotsial'noĭ gigieny F. F. Erismanom (neopublikovannoe pis'mo velikogo gigienista)