[Maternal and child care in Petrograd during the 1st years of Soviet power (1918-1919)].
D002662:Child Health Services / Q000266:history*; D049673:History, 20th Century; D008427:Maternal Health Services / Q000266:history*; D012426:Russia
Okhrana materinstve i detstva v Petrograde v pervye gody Sovetskoĭ vlasti (1918-1919.