[Preventive medicine and hygiene].
D049672:History, 19th Century; D049673:History, 20th Century; D011315:Preventive Medicine / Q000266:history / Q000639:trends*; D011634:Public Health / Q000266:history / Q000639:trends*; D012425:Russia (Pre-1917); D014586:USSR
Profilakticheskaia meditsina i gigiena.