title: [Surface activity of bronchial secretions in children with chronic respiratory tract diseases].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001980:Bronchi / Q000378:metabolism* / Q000503:physiopathology; D002648:Child; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D011663:Pulmonary Surfactants; D012140:Respiratory Tract Diseases / Q000503:physiopathology*; D013500:Surface Tension
chemical_list: D011663:Pulmonary Surfactants
vernacular_title: Aktywnósć powierzchniowa wydzieliny oskrzelowej dzieci z przewlekłymi chorobami narzadu oddechowego