[Hygienists in the days of the Leningrad blockade].
Makulova
I D
ID
Gerasimova
V P
VP
D004813:Epidemiology; D049673:History, 20th Century; D009787:Occupational Medicine; D011634:Public Health; D012426:Russia; D014857:Warfare
Gigienisty v dni blokady Leningrada.