TY - JOUR AU - Sahai, A V; Lemelin, V; Lam, E TI - Central vs. bilateral endoscopic ultrasound-guided celiac plexus block or neurolysis: a comparative study of short-term effectiveness JO - Am J Gastroenterol VL - 104 PY - 2009 DO - 10.1038/ajg.2008.64 L3 - PubMed-ID: 19174816 SP - 326 EP - 329 N1 - et al. ER -