Vasopressor drugs in spinal anesthesia.
D000758:Anesthesia; D000775:Anesthesia, Spinal; D004809:Ephedrine; D006801:Humans; D014662:Vasoconstrictor Agents; D014666:Vasomotor System
D014662:Vasoconstrictor Agents; D004809:Ephedrine
ANESTHESIA; EPHEDRINE; VASOMOTOR SYSTEM