title: Validity of sputum eosinophilia in diagnosing coexistent asthma in children with cystic fibrosis.
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000150:complications / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000150:complications*; D004804:Eosinophils; D006801:Humans; D013183:Sputum / Q000166:cytology*