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