TY - JOUR AU - Levy, M J; Topazian, M D; Wiersema, M J TI - Initial evaluation of the efficacy and safety of endoscopic ultrasound-guided direct Ganglia neurolysis and block JO - Am J Gastroenterol VL - 103 PY - 2008 DO - 10.1111/j.1572-0241.2007.01607.x L3 - PubMed-ID: 17970834 SP - 98 EP - 103 N1 - et al. ER -