[N. A. Semashko as an organizer of health affairs and hygienic science].
D049672:History, 19th Century; D049673:History, 20th Century; D006920:Hygiene; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
N. A. Semashko kak organizator sanitarnogo dela i gigienicheskoĭ nauki.