[Occurrence of angina in a northern climate].
D000222:Adaptation, Physiological; D003081:Cold Climate; D004781:Environmental Exposure; D006801:Humans; D009787:Occupational Medicine; D010612:Pharyngitis / Q000453:epidemiology*; D012423:Rural Health; D014069:Tonsillitis / Q000453:epidemiology*; D014586:USSR
O zabolevaemostiĭ anginoĭ v usloviiakh Severa.