title: [Cytologic and cytochemical studies of bronchial secretions in children with chronic respiratory tract diseases].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001980:Bronchi / Q000378:metabolism*; D002648:Child; D002908:Chronic Disease; D003581:Cytodiagnosis; D006651:Histocytochemistry; D006801:Humans; D012140:Respiratory Tract Diseases / Q000175:diagnosis*
vernacular_title: Badania cytologiczne i cytochemiczne wydzieliny oskrzelowej u dzieci z przewlekłymi chorobami układu oddechowego.