[60th anniversary of a conference of health officers and representatives of medical health departments].
D003226:Congresses as Topic / Q000266:history*; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D014586:USSR
K 60-letiiu soveshchaniia sanitarnykh vracheĭ predstaviteleĭ mediko-sanitarnykh otdelov.