A comparison of the quality of maternity care between a health-maintenance organization and fee-for-service practices.
D001900:Boston; D036861:Delivery, Obstetric; D005249:Fees and Charges; D005260:Female; D006279:Health Maintenance Organizations / Q000592:standards*; D006771:Hospitals, Maternity / Q000191:economics; D006801:Humans; D007231:Infant, Newborn; D007902:Length of Stay; D008427:Maternal Health Services / Q000592:standards*; D011247:Pregnancy; D011295:Prenatal Care / Q000592:standards; D011331:Private Practice / Q000592:standards; D011787:Quality of Health Care