[EVOLUTION OF INFLUENZA IN MOLDAVIA IN THE WINTER AND SPRING OF 1963].
D005075:Biological Evolution; D004813:Epidemiology; D006801:Humans; D007251:Influenza, Human; D008966:Moldova; D012383:Romania; D012621:Seasons
EPIDEMIOLOGY; INFLUENZA; RUMANIA
EVOLU TIA GRIPEI DIN LARNA  SI PRIM AVARA 1963  IN MOLDOVA.