The spectrum of chronic pulmonary disease in children.
D000293:Adolescent; D001249:Asthma; D001982:Bronchial Diseases; D001987:Bronchiectasis; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D003550:Cystic Fibrosis; D005260:Female; D006469:Hemoptysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008171:Lung Diseases; D008172:Lung Diseases, Fungal; D008297:Male; D010290:Parents; D012737:Sex Factors; D014397:Tuberculosis, Pulmonary