Occurrence of retinopathy of prematurity in a very low birthweight population.
D001049:Apnea / Q000150:complications; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D012121:Respiration, Artificial / Q000009:adverse effects; D012178:Retinopathy of Prematurity / Q000209:etiology*; D012306:Risk