[Public health on the Kola Peninsula in 1927-1929 (based on unpublished and rare materials)].
D049673:History, 20th Century; D011634:Public Health / Q000266:history*; D012426:Russia
Zdravookhranenie na Kol'skom poluostrove v 1927-1929 gg. (po neopublikovannym i redkim materialam.