[Age and sex characteristics of external respiration indicators in school children of lower classes].
Burkhanov
A I
AI
Zarodin
N V
NV
D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D012119:Respiration; D012129:Respiratory Function Tests; D012737:Sex Factors
Vozrastno-polovye osobennosti pokazateleĭ vneshnego dykhaniia u shkol'nikov mladshikh klassov.