title: [Epidemiologic evaluation of the causative role played by pertussis in the etiology of respiratory tract diseases in children].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001886:Bordetella pertussis / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007223:Infant; D012140:Respiratory Tract Diseases / Q000209:etiology*; D014917:Whooping Cough / Q000150:complications*
vernacular_title: Epidemiologiczna ocena przyczynowej roli krztuśca w powstawaniu schorzeń dróg oddechowych u dzieci