Premature birth and subsequent admission to hospital.
D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D019102:Infant, Very Low Birth Weight; D010372:Pediatrics / Q000706:statistics & numerical data*; D011247:Pregnancy; D047928:Premature Birth
INFANT, PREMATURE; PEDIATRICS/statistics