title: [Changes in the peak expiratory flow rate (PEFR) during a 3-year period. II. Relation between PEFR increase and socio-environmental and health factors].
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D010366:Peak Expiratory Flow Rate; D011044:Poland; D012119:Respiration; D012140:Respiratory Tract Diseases / Q000503:physiopathology; D012959:Socioeconomic Factors; D013383:Suburban Population; D013997:Time Factors; D014505:Urban Population
vernacular_title: Zmiany szczytowego przepływu wydechowego (PEFR) w okresie 3 lat u dzieci. II. Określenie zalezności miedzy wielkościa przyrostu PEFR a cechami społeczno-środowiskowymi i zdrowotnymi.