1-      Pourshams A, Saadatian-Elahi M, Nouraie M, Malekshah AF, Rakhshani N, Salahi R, et al. Golestan cohort study of oesophageal cancer: feasibility and first results. Br J Cancer. 2005;92:176-81.

2-      Malekshah AF, Kimiagar M, Saadatian-Elahi M, Pourshams A, Nouraie M, Goglani G, et al. Validity and reliability of a new food frequency questionnaire compared to 24 h recalls and biochemical measurements: pilot phase of Golestan cohort study of esophageal cancer. Eur J Clin Nutr. 2006;60:971-7.

3-      Islami F, Kamangar F, Aghcheli K, Fahimi S, Semnani S, Taghavi N, et al. Epidemiologic features of upper gastrointestinal tract cancers in Northeastern Iran. Br J Cancer. 2004;90:1402-6.

4-      Kamangar F, Strickland PT, Pourshams A, Malekzadeh R, Boffetta P, Roth MJ, et al. High exposure to polycyclic aromatic hydrocarbons may contribute to high risk of esophageal cancer in northeastern Iran. Anticancer Res. 2005;25:425-8.

5-          Nouarie M, Pourshams A, Kamangar F, Sotoudeh M, Derakhshan MH, Akbari MR, et al. Ecologic study of serum selenium and upper gastrointestinal cancers in Iran. World J Gastroenterol. 2004;10:2544-6.

6-      Pourshams A, Rahmani AR, Hatami K. Gastroesophageal reflux deisease in Iran. Govaresh. 2005;10:48-53.

7-      Pourshams A, Nasiri J, Mohammadkhani A, Nasrollahzadeh D. Hepatitis B in Gonbad-Kavoos: prevalence, risk factors and intrafamilial spreading. Govaresh. 2004;9:222-5.

8-      Islami F, Malekshah AF, Kimiagar M, Pourshams A, Wakefield J, Goglani G, et al. Patterns of food and nutrient consumption in northern Iran, a high-risk area for esophageal cancer. Nutr Cancer. 2008 (in press).

9-      Khoshnia M, Pourshams A, Mohammadkhani A, Tavangar SM, Shahbazkhani B, Malekzadeh R. Celiac Disease in Gonbad-Kavoos. Govaresh. 2005;10:131-3.

10-   Bahrami H, Sadatsafavi M, Pourshams A, Kamangar F, Nouraei M, Semnani S, et al. Obesity and hypertension in an Iranian cohort study; Iranian women experience higher rates of obesity and hypertension than American women. BMC Public Health. 2006;6:158.

11-   Abnet CC, Saadatian-Elahi M, Pourshams A, Boffetta P, Feizzadeh A, Brennan P, et al. Reliability and validity of opiate use self-report in a population at high risk for esophageal cancer in Golestan, Iran. Cancer Epidemiol Biomarkers Prev. 2004;13:1068-70.

12-   Malekzadeh R, Pourshams A, Aletaha N, Jafari.E., Goglani G How to take consent from illiterate people; GCS experience. The second international congress of medical ethic in Iran, abstract book. Tehran, Iran: 2008:245-7.