Continuous Spinal Anesthesia: Dose Requirements and Characteristics of the Block
A. J. Petros, D. Smith, M. Barnard, G. Ronzoni, F. Carli
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jan 1993, 18 (1) 52-54; DOI: 10.1136/rapm-00115550-199318010-00011