Prolonged relief of post-episiotomy pain.
D000777:Anesthetics; D000779:Anesthetics, Local; D004841:Episiotomy; D005260:Female; D006801:Humans; D010149:Postoperative Pain; D011247:Pregnancy
D000777:Anesthetics; D000779:Anesthetics, Local
ANESTHETICS, LOCAL; EPISIOTOMY