1.  IL-15 positively regulates IL-21 production in celiac disease mucosa Sarra M, Cupi ML, Monteleone I, Franzè E, Ronchetti G, Di Sabatino A, Gentileschi P, Franceschilli L, Sileri P, Sica G, Del Vecchio Blanco G, Cretella M, Paoluzi OA, Corazza GR, Pallone F, Monteleone G. Mucosal Immunol. 2012 Jul 11. doi: 10.1038/mi.2012.65. [Epub ahead of print] PubMed PMID: 22785229 I.F. 3.627
2. Small intestine contrast ultrasonography vs CT enteroclysis for assessing ileal Crohn’s disease Onali S, Calabrese C, Petruzziello C, Zorzi F, Sica GS, Fiori R, Ascolani M, Lolli E, Condino G, Palmieri G, Simonetti G, Pallone F, Biancone L. W J. Gastroenter 2012;18(42). IF 2,24
3.  2-Methoxy-5-amino-N-hydroxybenzamide,a derivative of mesalamine, inhibits colon cancer cell growth through cyclo-oxygenase-2-dependent and independent Mechanisms Stolfi C, Franzè E, Monteleone I, Caruso R, Franceschilli L, Sileri P, Sica GS, Gaspari AL, Del Vecchio Blanco G, Pallone F, Monteleone G. Clin Sci (Lond). 2012 Sep;123(5):295-306. PMID: 22435743 IF 4.317
4. Use of intraoperative endoscopy to localize bleeding in the small intestine Manzelli A, Rossi P, Petrou A, Sica G, Ricciardi E, Pappas P Ann Ital Chir. 2012 Jan-Feb;83(1):29-32; discussion 32-3. PubMed PMID: 22352213.
5. Long term results of a prospective longitudinal study comparing laparoscopic versus open gastrectomy in gastric cancer management. G.S. Sica, E. Iaculli, L. Biancone, S. Di Carlo, R. Scaramuzzo, P. Gentileschi, D. Benavoli,A.L.Gaspari W.J.Gastroenter. 2011;7,17(41):4602-6 I.F. 2.24 
6.  Interleukin-25 production is differently regulated by TNF-alpha and TGF-beta 1 in the human gut. Fina D, Franze E, Rovedatti L, Corazza GR, Biancone L, Sileri PP, Sica G, MacDonald TT, Pallone F, Di Sabatino A, Monteleone G. Mucosal Immunology, 2011;4(2):239-44 I.F. 3.627
7. Aryl hydrocarbon receptor-induced signals up-regulate IL-22 production and inibit inflammation in the gastrointestinal tract. Monteleone I, Rizzo A, Sarra M, Sica G, Sileri P, Biancone P, MacDonald TT, Pallone F, Monteleone G Gastroenterology 2011,14(1)237-48 I.F. 12.032 
8. Cancer in Crohn's Disease patients treated with infliximab: A long-term multicenter matched pair study. Biancone L, Petruzziello C, Orlando A, Kohn A, Ardizzone S, Daperno M, Angelucci E, Castiglione F, D'Incà R, Zorzi F, Papi C, Meucci G, Riegler G, Sica G, Rizzello F, Mocciaro F, Onali S, Calabrese E, Cottone M, Pallone F. Inflamm Bowel Dis. 2011 Aug 3. [Epub ahead of print] I.F. 4.975 
9.  Intestinal duplication in adulthood. A rare entity difficult to diagnose. Fiorani C, Scaramuzzo R, Lazzaro A, Biancone L, Palmieri G, Gaspari AL, Sica G S. World J. Gastroint. Surg. 2011, 27 (8):128-30
10. Endoscopic vs ultrasonographic findings related to Crohn's disease recurrence: a prospective longitudinal study at 3 years. Onali S, Calabrese E, Petruzziello C, Zorzi F, Sica GS, Lolli E, Ascolani M, Condino G, Pallone F, Biancone L. J Crohns Colitis. 2010 Sep;4(3):319-28. Epub 2010 Feb 19 I.F. 1.729 
11. Single access laparoscopic ileocecal resection in complicated Crohn's disease. Sica GS, Di Carlo S, Biancone L, Gentileschi P, Pallone F, Gaspari AL. Surg Innov. 2010 Dec;17(4):359-60. Epub 2010 Sep 3. I.F. 1.905 
12. Laparoscopic single-port sleeve gastrectomy for morbid obesity: preliminary series P Gentileschi,I Camperchioli, D Benavoli,N Di Lorenzo, G Sica, AL Gaspari Surgery for obesity and related disease, 2010 Nov-Dec;6(6)665-9 I.F. 3.862 
13. Interferon-gamma-expressing cells are a major source of interleukin-21 in inflammatory bowel diseases. Sarra M, Monteleone I, Stolfi C, Fantini MC, Sileri P, Sica G, Tersigni R, Macdonald TT, Pallone F, Monteleone G. Inflamm Bowel Dis. 2010 Aug;16(8):1332-9 I.F. 4.975 
14. Laparoscopic reoperative approach after open bariatric surgery. P. Gentileschi, F Lirosi, D Benavoli, G Sica, N Di Lorenzo, M Venza, I Camperchioli, M D’Eletto, P Sileri, A Gaspari. Chir Ital 2009,mar-apr;61(2):137-41 
15. Frequency, Pattern, and Risk Factors of Postoperative Recurrence of Crohn's Disease After Resection Different from Ileo-Colonic. Onali S, Petruzziello C, Calabrese E, Condino G, Zorzi F, Sica GS, Pallone F, Biancone J Gastrointest Surg. 2009 Feb;13(2):246-52. Epub 2008 Oct 24 I.F. 2.272 
16. Ileal lesions in patients with ulcerative colitis after ileo-rectal anastomosis: Relationship with colonic metaplasia L. Biancone, E. Calabrese, G. Palmieri, C. Petruzziello, S. Onali, G.S. Sica, M. Cossignani, G. Condino, K. M. Das, F. Pallone World J Gastroenterol. 2008 Sep 14;14(34):5290-300. PMID: 18785281 I.F. 2.081 
17. Transcriptional and post-translational regulation of flip, an inhibitor of fas-mediated apoptosis, in human gut inflammation Caprioli F, Stolfi C, Caruso R, Fina D, Sica G, Biancone L, Pallone F, Monteleone G Gut. 2008 Dec;57(12):1674-80. PMID: 18625693 I.F. 10,015. 
18.  Non-invasive techniques for assessing postoperative recurrence in Crohn's disease L. Biancone, S. Onali, E. Calabrese, C. Petruzziello, F. Zorzi, G. Condino, G.S. Sica, F. Pallone Dig Liver Dis, 2008,40,( 2):265-270. I.F. 1.982
19. Frequency and pattern of endoscopic recurrence in Crohn’s Disease patients with ileo-colonic resection using a laparoscopic vs laparotomic approach: a prospective longitudinal study. Biancone L, Sica GS, Calabrese E, Onali S, Petruzziello C, Pallone F Am J Gastroenterol 2008 Mar; 103(3):809-11. I.F. 6.101 
20. Autocrine Regulation of IL-21 Production in Human T Lymphocytes. Caprioli F, Sarra M, Caruso R, Stolfi C, Fina D, Sica G, Macdonald TT, Pallone F, Monteleone G. J Immunol. 2008 Feb 1;180(3):1800-7. I.F. 6.068 
21. Laparoscopic Versus Open Ileo-Colonic Resection in Crohn's Disease: Short- and Long-Term Results from a Prospective Longitudinal Study. Sica GS, Iaculli E, Benavoli D, Biancone L, Calabrese E, Onali S, Gaspari AL J Gastrointest Surg. 2008 12(6):1094-1102 I.F. 2.272
22. Candida osteo-chondromyelitis complicating thoraco-abdominal esophageal surgery. Sica G, Meissner S, Dawas K, Maynard N. Surg Infect (Larchmt). 2007 Aug;8(4):479-82. I.F. 1.800
23. Pneumatosis cystoides intestinalis and hepatic portal venous gas: findings of severe bowel ischemia. Manzelli A, Rossi P, Sica GS, Di Lorenzo N, Cerno L, Gaspari AL Chirurgia 2007;20(5):261-2
24. Medical and surgical treatment of chronic anal fissure: a prospective study. Sileri P, Mele A, Stolfi VM, Grande M, Sica G, Gentileschi P, Di Carlo S, Gaspari AL J Gastrointest Surg. 2007 Aug; I.F. 2.272
25. Wireless capsule endoscopy and small intestine contrast ultrasonography in recurrence of Crohn's disease. Biancone L, Calabrese E, Petruzziello C, Onali S, Caruso A, Palmieri G, Sica GS, Pallone F. Inflamm Bowel Dis. 2007 Oct;13(10):1256-65. I.F. 4.975
26. Beclomethasone dipropionate versus mesalazine in distal ulcerative colitis: a multicenter, randomized, double-blind study. Biancone L, Gionchetti P, Blanco Gdel V, Orlando A, Annese V, Papi C, Sostegni R, D'Incà R, Petruzziello C, Casa A, Sica G, Calabrese E, Campieri M, Pallone F. Dig Liver Dis. 2007 Apr;39(4):329-37. I.F. 1.982
27. Neurofibromatosis of the oesophagus. Sica GS, Sujandran VJ, Warren BF, Maynard ND. Ann. Thorac. Surg 2006, 81(3):1138-40 I.F. 2.342
28. Laparoscopic treatment of Bouveret’s sindrome presenting with acute pancreatitis. Sica GS, Sileri P, Gaspari AL. JSLS 2005, 9(4):472-5
29. Oesophagectomy remains the gold standard for treatment of high-grade dysplasia in Barret’s oesophagus. Sujendran VJ, Sica GS, Warren BF, Maynard ND. Eur J Cardiothorac Surg 2005;28(5):763-6. I.F. 2.106
30. Nedle catheter Jejunostomy at esophagectomy for cancer. Sica GS, Sujendran V, Wheeler J, Soin B, Maynard ND. J. Surg. Onc. 2005,15;91(4):276-9 I.F. 2.384
31. A case of progressive dysphagia. Sica GS, Sujandran VJ, Warren BF, Maynard ND. Gut 2005, 54(9):1282,1292 I.F. 10.015
32. Anabolic steroid nandrolon augment haepatic regeneration after liver resection in rats. Sileri P, Palmieri G, Perfetti A, Gentileschi P, Sica GS, Venza M, Benavoli D, Gaspari AL. Tranplantation Proceedings 2005,37(10):4563-6 I.F. 1.027
33. Proctocolectomia totale e pouch ileo-anale totalmente laparoscopica. Sica GS, Benavoli D, Sileri P, Gaspari AL. Ospedali d’Italia Chirurgia, 2005, 4
34. Melatonin reduces bacterial translocation after intestinal ischemia reperfusion injury. Sileri P, Sica GS, Gentileschi P, Venza M, Benavoli D, Jarzembowski T, Manzelli A, Gaspari AL. Transplantation Proceedings 2004,36:2944-2946 I.F. 1.027
35. Diagnosis and management of aortoesophageal fistula caused by a foreign body. Sica GS, Djapardy V, Westaby S, Maynard ND. Ann Thorac Surg. 2004 Jun;77(6):2217-8. I.F. 2.342
36. Gastrointestinal stromal tumour (GIST) masquerading as linitis plastica. Wheeler JM, Warren BF, Sica G, Maynard ND. Histopathology. 2004 Jan;44(1):88-90. I.F. 3.216
37. Ischemic preconditioning protects intestine from prolonged ischemia. Sileri P, Sica G, Gentileschi P, Venza M, Manzelli A, Palmieri G, Spagnoli LG, Testa G, Benedetti E, Gaspari AL. Transplant Proc. 2004 Mar;36(2):283-5. I.F.1. 027