1. Van Doorn LJ, Figueiredo C, Sanna R, Pena S, Midolo P, Ng EK, Atherton JC, Blaser MJ, Quint WG. Expanding allelic diversity of Helicobacter pylorivac A. J Clin Microbiol. 1998; 36(9): 2597-2603.
2. Blaser MJ. Role of vacA and the cagA locus of Helicobacter pylori in human disease. Aliment Pharmacol Ther. 1996; 1: 73-77.
3. Mahan KL, Escott-Stump S. Krause’s food, nutrition & diet therapy. 11th ed. Philadelphia, United States of America: W.B., Saunders. 2004. pp: 692-693.
4. Alborzi A, Soltani J, Pourabbas B, Oboodi B, Haghighat M, Hayati M, Rashidi M. Prevalence of Helicobacter pylori infection in children (south of Iran). Diagn Microbio Infect Dis. 2006; 54 (4): 259-261.
5. Mahram M, Ahmadi F. Seroprevalence of Helicobacter pylori infection among 7–9 year old children in Zanjan. J Res Med Sci. 2006; 5(2): 297-301. [In Persian]
6. Malekzadeh R, Sotoudeh M, Derakhshan MH, Mikaeli J, Yazdanbod A, Merat S, Yoonessi A, Tavangar M, Abedi BA, Sotoudehmanesh R, Pourshams A, Asgari AA, Doulatshahi S, Alizadeh BZ, Arshi S, Madjidpoor A, Mir Moomen S, Fleischer DE. Prevalence of gastric precancerous lesions in Ardabil, a high incidence province for gastric adenocarcinoma in the northwest of Iran. J Clin Pathol. 2004; 57(1): 37-42.
7. Murray LJ, Bamford KB, O’Reilly DP, McCrum EE, Evans AE. Helicobacter pylori infection: relation with cardiovassular risk factors, ischaemic heart disease, and social class. Br Heart J. 1995; 74(5): 497-501.
8. Patel P, Mendall MA, Carrington D, Strachan DP, Leatham E, Molineaux N, Levy J, Blakeston C, Seymour CA, Camm AJ. Association of Helicobacter pylori and Clamydia pneumonia infections with coronary disease and cardiovascular risk factor. BMJ. 1995; 311(7011): 711-714.
9. Li S, You WJ, Zhang JC, Zhou Q, Shi HZ. Immune regulation of interleukin-27 in malignant pleural effusion. Chin Med J (Engl). 2015; 20; 128(14): 1932-1941.
10. Peek RM, Crabtree JE. Helicobacter infection and gastric neoplasia. J Pathol. 2006; 208: 233-248.
11. Shamsdin SA, Alborzi A, Rasouli M, Hosseini MK, Bagheri Lankrani K, Kalani M. Alterations in Th17 and the respective cytokine levels in Helicobacter pylori-Induced stomach diseases. Helicobacter. 2015; 20(6): 460-475.
12. Myung DS ,Lee WS ,Park YL ,Kim N ,Oh HH ,Kim MY ,Oak CY ,Chung CY ,Park HC ,Kim JS ,Cho SB ,Kweon SS ,Joo YE .Association between interleukin-18gene polymorphism and Helicobacter pylori infection in the Korean population. Sci Rep. 2015; 5: 11535.
13. Zhou B, Zhang P, Tang T, Liao H, Zhang K, Pu Y, Chen P, Song Y, Zhang L. Polymorphisms and plasma levels of IL-27: impact on genetic susceptibility and clinical outcome of bladder cancer. BMC Cancer. 2015; 15: 433.
14. Sugimoto M, Yamaoka Y, Furuta T. Influence of interleukin polymorphisms on development of gastric cancer and peptic ulcer. World J Gastroenterol. 2010; 16 (10): 1188-1200.
15. Ohyauchi M, Imatani A, Yonechi M, Asano N, Miura A, Iijima K, Koike T, Sekine H, Ohara S, Shimosegawa T. The polymorphism interleukin 8-251 A/T influences the susceptibility of Helicobacter pylori related gastric diseases in the Japanese population. Gut. 2005; 54(3): 330-335.
16. Ramis IB, Vianna JS, Concalves CV, von Groll A, Dellagostin OA, da Silva PE. Polymorphisms of IL-6, IL-8 and IL-10 genes and the risk of gastric pathology in patients infected with Helicobacter pylori. J Microbiol Immunol Infect. 2015. pii: S1684-1182(15) 00721-5.
17. Akcil G, Dogan I, Cengiz M, Engin ED, Dogan M, Unal S, Cırak MY, Dursun A. The role of interleukin-1 gene polymorphisms and Helicobacter pylori in gastroesophageal reflux disease.Turk J Gastroenterol. 2014; 25(l): 81-85.
18. Pu Y, Chen P, Zhou B, Zhang P, Wang Y, Song Y, Zhang L. Association between polymorphisms in IL-27 gene and renal cell carcinoma. Biomarkers. 2015; 20(3): 202-205.
19. Nematollahi Z, Hadinedoushan H, Aflatoonian A Eslami G, Ghasemi N. The association between single nucleotide polymorphism in interleukin-27 gene and recurrent pregnancy loss in Iranian women. Iran J Reprod Med. 2015; 13(4): 209-214.
20. Wang Z, Wang L, Zhou J, Zhong J. Association of IL-27 gene three polymorphisms with Crohn’s disease susceptibility in a Chinese Han population. Int J Clin Exp Pathol. 2014; 7(12): 8952-8957.