[The therapeutic-preventive service of the population in the USSR (on the 50th anniversary of Soviet otorhinolaryngology)].
D049673:History, 20th Century; D006801:Humans; D010036:Otolaryngology / Q000266:history*; D014586:USSR
Lechebno-profilakticheskaia pomoshch' naseleniiu SSSR (k 50-letiiu sovetskoĭ otorinolaringologii)