Prophylactic epidural blood patch in obstetrics.
Woodworth
G E
GE
D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D001769:Blood; D005260:Female; D006261:Headache / Q000517:prevention & control*; D006801:Humans; D007268:Injections, Epidural / Q000009:adverse effects*