[Editorial: Influenza during 1972--1973].
D004196:Disease Outbreaks / Q000453:epidemiology; D005843:Geography; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000209:etiology; D014586:USSR
Redaktsionnaia zametka: Gripp v 1972--1973 gg.