MATERNAL, FETAL, AND ENVIRONMENTAL FACTORS IN PREMATURITY.
D001722:Birth Order; D005007:Ethnology; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases; D008429:Maternal Welfare; D009657:North Carolina; D011247:Pregnancy; D012924:Social Conditions; D013223:Statistics as Topic
BIRTH ORDER; ETHNOLOGY; INFANT, NEWBORN; INFANT, PREMATURE; INFANT, PREMATURE, DISEASES; MATERNAL WELFARE; NORTH CAROLINA; PREGNANCY; SOCIAL CONDITIONS; STATISTICS