TY - JOUR AU - Wong, B C; Zhang, L; Ma, J L TI - Effects of selective COX-2 inhibitor and Helicobacter pylori eradication on precancerous gastric lesions JO - Gut VL - 61 PY - 2012 DO - 10.1136/gutjnl-2011-300154 L3 - PubMed-ID: 21917649 SP - 812 EP - 818 N1 - et al. ER -