Maternal factors in the incidences of low birthweight infants among black and white mothers.
D000293:Adolescent; D000328:Adult; D000437:Alcoholism; D044383:Black People; D001835:Body Weight; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D011248:Pregnancy Complications; D011295:Prenatal Care; D012907:Smoking; D019966:Substance-Related Disorders; D044465:White People