[50th anniversary of the epidemiologic health service].
D003140:Communicable Disease Control / Q000266:history*; D003148:Communism / Q000266:history; D006077:Government Agencies; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D011635:Public Health Administration / Q000266:history*; D014586:USSR
Sanitarno-épidemiologicheskoĭ sluzhbe--let.