[SOME DATA ON THE DISTRIBUTION OF CHRONIC PNEUMONIA AMONG CHILDREN IN YAROSLAV].
D002648:Child; D006801:Humans; D007223:Infant; D009017:Morbidity; D011014:Pneumonia; D014586:USSR
CHILD; INFANT; MORBIDITY; PNEUMONIA; USSR
NEKOTORYE DANNYE O RASPROSTRANENNOSTI KHRONICHESKO I PNEVMONII SREDI DETE I IAROSLAVLIA.