Verapamil and epidural bupivacaine.
D000767:Anesthesia, Epidural; D002045:Bupivacaine / Q000009:adverse effects*; D004347:Drug Interactions; D006801:Humans; D014700:Verapamil / Q000009:adverse effects*
D014700:Verapamil; D002045:Bupivacaine