Poverty and infant mortality--United States, 1988.
D000293:Adolescent; D000328:Adult; D005260:Female; D006306:Health Surveys; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D011203:Poverty; D011295:Prenatal Care; D044469:Racial Groups; D012307:Risk Factors; D014481:United States / Q000453:epidemiology