Low birthweight revised.
D001317:Austria; D003462:Cuba; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D006814:Hungary; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007564:Japan; D009520:New Zealand; D011247:Pregnancy; D012015:Reference Standards; D013548:Sweden; D014481:United States