[THE INCIDENCE OF CHRONIC NONSPECIFIC PNEUMONIA IN CHILDREN].
D001699:Biometry; D002648:Child; D015994:Incidence; D011014:Pneumonia; D013223:Statistics as Topic
CHILD; PNEUMONIA; STATISTICS
RASPROSTRANENNOST' KHRONICHESKO I NESPETSIFICHESKO I PNEVMONII SREDI DETE I