Changes in the surface relationships of the pulmonary alveoli as a cause of atelectasis and abnormal mechanics of breathing.
D006801:Humans; D007231:Infant, Newborn; D011650:Pulmonary Alveoli; D001261:Pulmonary Atelectasis / Q000209:etiology*; D012140:Respiratory Tract Diseases / Q000209:etiology*; D013499:Surface Properties