[Trends in the improvement of medical prophylaxis].
Zholus
B I
BI
D008886:Military Hygiene / Q000592:standards / Q000639:trends*; D011315:Preventive Medicine / Q000592:standards / Q000639:trends*; D014586:USSR
Nekotorye napravleniia sovershenstvovaniia meditsinskoĭ profilaktiki.