Umbilical hernia in the low-birth-weight infant (less than 1,500 gm).
D005260:Female; D006554:Hernia, Umbilical / Q000150:complications / Q000453:epidemiology*; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008297:Male; D012127:Respiratory Distress Syndrome, Newborn / Q000150:complications / Q000453:epidemiology; D012237:Rhode Island