| 1. | ?Garfield E. 100 citation classics from the Journal of the American Medical Association[J]. JAMA, 1987, 257(1):52-59. | 
				                                                        
				                                                            
				                                                                | 2. | Lipsman N, Lozano AM. The most cited works in major depression: the ‘Citation classics’[J]. J Affect Disord, 2011, 134(1-3):39-44. | 
				                                                        
				                                                            
				                                                                | 3. | Brandt JS, Downing AC, Howard DL, et al. Citation classics in obstetrics and gynecology:the 100 most frequently cited journal articles in the last 50 years[J]. Am J Obstet Gynecol, 2010, 203(4):355. e1-355. e7. | 
				                                                        
				                                                            
				                                                                | 4. | Li Z, Wu FX, Yang LQ, et al. Citation classics in main pain research journals[J]. J Anesth, 2012, 26(1):85-93. | 
				                                                        
				                                                            
				                                                                | 5. | O’Connor DJ, Gargiulo NJ 3rd, Scher LA, et al. One hundred vascular surgery citation classics from the surgical literature[J]. J Vasc Surg, 2011, 53(4):1150-1156. | 
				                                                        
				                                                            
				                                                                | 6. | Cao F, Li Jia, Li A, et al. Citation classics in acute pancreatitis[J]. Pancreatology, 2012, 12(4):325-330. | 
				                                                        
				                                                            
				                                                                | 7. | Hall GM. BJA citation classics 1945-1992[J]. Br J Anaesth, 1998, 80(1):4-6. | 
				                                                        
				                                                            
				                                                                | 8. | Paladugu R, Schein M, Gardezi S, et al. One hundred citation classics in general surgical journals[J]. World J Surg, 2002, 26(9):1099-1105. | 
				                                                        
				                                                            
				                                                                | 9. | Buchwald H, Avidor Y, Braunwald E, et al. Bariatric surgery:asystematic review and meta-analysis[J]. JAMA, 2004, 292(14):1724-1737. | 
				                                                        
				                                                            
				                                                                | 10. | Sjöström L, Lindroos AK, Peltonen M, et al. Lifestyle, diabetes,and cardiovascular risk factors 10 years after bariatric surgery[J]. N Engl J Med, 2004, 351(26):2683-2693. | 
				                                                        
				                                                            
				                                                                | 11. | Cummings DE, Weigle DS, Frayo RS, et al. Plasma ghrelinlevels after diet-induced weight loss or gastric bypass surgery[J]. N Engl J Med, 2002, 346(21):1623-1630. | 
				                                                        
				                                                            
				                                                                | 12. | Pories WJ, Swanson MS, MacDonald KG, et al. Who would have thought it? An operation proves to be the most effective therapy for adult-onset diabetes mellitus[J]. Ann Surg, 1995, 222(3):339-350. | 
				                                                        
				                                                            
				                                                                | 13. | Meier U, Gressner AM. Endocrine regulation of energy metabolism:review of pathobiochemical and clinical chemical aspects of leptin, ghrelin, adiponectin, and resistin[J]. Clin Chem, 50(9):1511-1525. | 
				                                                        
				                                                            
				                                                                | 14. | Jan JC, Hong D, Pereira N, et al. Laparoscopic adjustable gastricbanding versus laparoscopic gastric bypass for morbid obesity:a single-institution comparison study of early results[J]. J Gastrointest Surg, 2005, 9(1):30-39. | 
				                                                        
				                                                            
				                                                                | 15. | Tice JA, Karliner L, Walsh J, et al. Gastric banding or bypass? A systematic review comparing the two most popular bariatric procedures[J]. Am J Med, 2008, 121(10):885-893. | 
				                                                        
				                                                            
				                                                                | 16. | Picot J, Jones J, Colquitt JL, et al. The clinical effectiveness and cost-effectiveness of bariatric (weight loss) surgery for obesity:a systematic review and economic evaluation[J]. Health Technol Assess, 2009, 13(41):1-190, 215-357. | 
				                                                        
				                                                            
				                                                                | 17. | Peterli R, Wölnerhanssen B, Peters T, et al. Improvement in glucose metabolism after bariatric surgery:comparison of laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy:a prospective randomized trial[J]. Ann Surg, 2009, 250(2):234-241. | 
				                                                        
				                                                            
				                                                                | 18. | Livingston EH, Huerta S, Arthur D, et al. Male gender is apredictor of morbidity and age a predictor of mortality for patientsundergoing gastric bypass surgery[J]. Ann Surg, 2002, 236(5): 576-582. | 
				                                                        
				                                                            
				                                                                | 19. | Wittgrove AC, Clark GW, Schubert KR. Laparoscopic gastric bypass, Roux-en-Y:technique and results in 75 patients with 3-30 months follow-up[J]. Obes Surg, 1996, 6(6):500-504. | 
				                                                        
				                                                            
				                                                                | 20. | Weber M, Müller MK, Michel JM, et al. Laparoscopic Roux-en-Ygastric bypass, but not rebanding, should be proposed as rescue procedure for patients with failed laparoscopic gastric banding[J]. Ann Surg, 2003, 238(6):827-834. | 
				                                                        
				                                                            
				                                                                | 21. | Geloneze B, Tambascia MA, Pilla VF, et al. Ghrelin:agut-brain hormone:effect of gastric bypass surgery[J]. Obes Surg, 2003, 13(1):17-22. | 
				                                                        
				                                                            
				                                                                | 22. | Haider DG, Schindler K, Schaller G, et al. Increased plasma visfatin concentrations in morbidly obese subjects are reducedafter gastric banding[J]. J Clin Endocrinol Metab, 2006, 91(4):1578-1581. | 
				                                                        
				                                                            
				                                                                | 23. | le Roux CW, Aylwin SJ, Batterham RL, et al. Gut hormoneprofiles following bariatric surgery favor an anorectic state,facilitate weight loss, and improve metabolic parameters[J]. Ann Surg, 2006, 243(1):108-114. | 
				                                                        
				                                                            
				                                                                | 24. | Dubin D, Häfner AW, Arndt KA. Citation classics in clinical dermatologic journals. Citation analysis, biomedical journals, and landmark articles, 1945-1990[J]. Arch Dermatol, 1993, 129(9):1121-1129. | 
				                                                        
				                                                            
				                                                                | 25. | Marx W, Schier H, Wanitschek M. Citation analysis usingonline databases:feasibilities and shortcomings[J]. Scientometrics, 2001, 52(1): 59-82. | 
				                                                        
				                                                            
				                                                                | 26. | Lin AM. US and non-US submissions[J]. JAMA, 1998, 280(3):246-247. |