Peroral Pharyngeal Block for Placement of Esophageal Endoprostheses
Marc A. Valley, Anthony N. Kalloo, Craig S. Curry
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Mar 1992, 17 (2) 102-106; DOI: 10.1136/rapm-00115550-199217020-00009