[Social hygienist A. V. Korchak-Chepurkovskiĭ (on the 125th anniversary of his birth)].
D049672:History, 19th Century; D049673:History, 20th Century; D012936:Social Medicine / Q000266:history; D014455:Ukraine
O sotsial-gigieniste A. V. Korchake-Chepurkovskom (K 125-letiiu so dnia rozhdeniia).