Factors associated with neonatal deaths in very low birth weight infants.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality*; D008297:Male; D011247:Pregnancy; D012307:Risk Factors