[The senior Soviet hygienist (on the 100th anniversary of the birth of Z. G. Frenkel')].
D049673:History, 20th Century; D006920:Hygiene / Q000266:history; D011634:Public Health / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
Stareĭshina sovetskikh gigienistov (k 100-letiiu so dnia rozhdeniia Z. G. Frenkelia)