Clinical evaluation of drugs used in obtaining lumbar epidural anesthesia.
D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D000777:Anesthetics; D000779:Anesthetics, Local; D006801:Humans
D000777:Anesthetics; D000779:Anesthetics, Local
ANESTHESIA, SPINAL; ANESTHETICS, LOCAL