Epidurals under scrutiny in the United States.
Young
D
D
D000328:Adult; D015360:Analgesia, Epidural / Q000706:statistics & numerical data*; D000773:Anesthesia, Obstetrical / Q000706:statistics & numerical data; D005260:Female; D006300:Health Services Misuse; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy