title: Understanding bronchopulmonary dysplasia.
mesh_terms: D000403:Airway Resistance; D001997:Bronchopulmonary Dysplasia / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D004848:Epithelium / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D011650:Pulmonary Alveoli / Q000503:physiopathology; D012306:Risk; D013997:Time Factors