Epidemiology of bronchopulmonary dysplasia.
D002140:California; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D008171:Lung Diseases / Q000453:epidemiology*; D011175:Positive-Pressure Respiration / Q000009:adverse effects; D012127:Respiratory Distress Syndrome, Newborn / Q000628:therapy