On the control of spinal anesthetic levels.
D000005:Abdomen / Q000601:surgery; D000775:Anesthesia, Spinal; D000779:Anesthetics, Local / Q000008:administration & dosage*; D003992:Dibucaine / Q000008:administration & dosage; D006801:Humans; D007457:Iodine Radioisotopes; D012996:Solutions / Q000032:analysis; D013748:Tetracaine / Q000008:administration & dosage
D000779:Anesthetics, Local; D007457:Iodine Radioisotopes; D012996:Solutions; D013748:Tetracaine; D003992:Dibucaine