Access to obstetric care: a growing crisis.
Robertson
W O
WO
D005260:Female; D006297:Health Services Accessibility / Q000639:trends*; D006801:Humans; D007231:Infant, Newborn; D008318:Malpractice / Q000331:legislation & jurisprudence; D009774:Obstetrics; D011247:Pregnancy; D011295:Prenatal Care / Q000600:supply & distribution; D014481:United States