[27th Congress of the CPSU and the tasks of the epidemiological health service of the USSR].
D003148:Communism; D006293:Health Promotion / Q000458:organization & administration / Q000639:trends; D011634:Public Health / Q000639:trends*; D014586:USSR
XXVII s"ezd KPSS i zadachi sanitarno-épidemiologicheskoĭ sluzhby strany.