[In memory of Isaak Arkad'evich Zaĭdshnur (on the anniversary of his death)].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D010506:Periodicals as Topic / Q000266:history; D014586:USSR
Pamiati Isaaka Arkad'evicha Zaĭdshnura (k godovshchine smerti)