[APROPOS OF THE INCIDENCE OF CHRONIC TONSILLITIS IN THE RURAL POPULATION].
D002908:Chronic Disease; D004813:Epidemiology; D006801:Humans; D015994:Incidence; D012423:Rural Health; D012424:Rural Population; D014069:Tonsillitis; D014586:USSR
EPIDEMIOLOGY; RURAL HEALTH; TONSILLITIS; USSR
K VOPROSU O ZABOLEVAEMOSTI KHRONICHESKIM TONZILLITOM ZHITELE I SEL'SKO I MESTNOSTI.