[Medical assistance to workers in industrial enterprises of the USSR on the 50th anniversary of Soviet rule].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D011635:Public Health Administration / Q000266:history; D014586:USSR
Meditsinskaia pomoshch' rabochim promyshlennykh predpriiatiĭ SSSR k 50-letiiu sovetskoĭ vlasti.