Referral practices and health care costs. The dilemma of high risk obstetrics.
D003363:Cost Control; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000628:therapy*; D008318:Malpractice / Q000331:legislation & jurisprudence*; D007744:Obstetric Labor Complications / Q000628:therapy*; D011247:Pregnancy; D012017:Referral and Consultation / Q000191:economics / Q000331:legislation & jurisprudence*; D014481:United States