1.Vahedi, H., S. Merat, A. Rashidioon, A. Ghoddoosi, and R. Malekzadeh.
Alimentary pharmacology & therapeutics 22, no. 5 (2005): 381-385
2.Merat, Shahin, Shadi Khalili, Pardise Mostajabi, Anahita Ghorbani, Reza Ansari, and Reza Malekzadeh.
"The effect of enteric-coated, delayed-release peppermint oil on irritable bowel syndrome."
Digestive diseases and sciences 55, no. 5 (2010): 1385-1390.
3.Vahedi, H., S. Merat, S. Momtahen, A. S. Kazzazi, N. Ghaffari, G. Olfati, and R. Malekzadeh.
Alimentary pharmacology & therapeutics 27, no. 8 (2008): 678-684.
4.Pourshams, Akram, Nasrin Zendehdel, Maryam Semnani, and Uosef Semnani.
"Irritable Bowel Syndrome and Psychiatric Disorders Amang University Freshmen."
Govaresh 11, no. 1 (2012): 22-26.
5.Ansari, Reza, Sahand Sohrabi, Omid Ghanaie, Hiva Amjadi, Shahin Merat, Homayoun Vahedi, and Morteza Khatibian.
Indian Journal of Gastroenterology 29, no. 2 (2010): 66-68.
6.Shahbazkhani, Bijan, Amirsaeid Sadeghi, Reza Malekzadeh, Fatima Khatavi, Mehrnoosh Etemadi, Ebrahim Kalantri, Mohammad Rostami-Nejad, and Kamran Rostami.
Nutrients 7, no. 6 (2015): 4542-4554.
7.Jalili, Mahsa, Homayoon Vahedi, Leila Janani, Hossein Poustchi, Reza Malekzadeh, and Azita Hekmatdoost.
Middle East journal of digestive diseases 7 (2015): 170.
8.Sohrabi, Sahand, Mehdi Nouraie, Hooman Khademi, Somayyeh Baghizadeh, Siavosh Nasseri-Moghaddam, and Reza Malekzadeh.
"Epidemiology of uninvestigated gastrointestinal symptoms in adolescents: a population-based study applying the Rome II questionnaire." Journal of pediatric gastroenterology and nutrition 51, no. 1 (2010): 41-45.
9.Ansari, R., Masoud Reza Sohrabi, s. Rouhi, j. Mikaeili, s. Masarat, mehrizi s. Tahaghoghi, and Reza Malekzadeh.
"Colonic transit time in 64 Iranian patients with idiopathic chronic constipation.
" (2001): 5-
10.Ansari, Reza, Fatemeh Attari, Hadi Razjouyan, Arash Etemadi, Hiva Amjadi, Shahin Merat, and Reza Malekzadeh.
"Ulcerative colitis and irritable bowel syndrome: relationships with quality of life."
European journal of gastroenterology & hepatology 20, no. 1 (2008): 46-50.
11.Shahbazkhani, B., M. Forootan, S. Merat, M. R. Akbari, S. Nasserimoghadam, H. Vahedi, and R. Malekzadeh.
"Coeliac disease presenting with symptoms of irritable bowel syndrome."
Alimentary pharmacology & therapeutics 18, no. 2 (2003): 231-235.
12.Jalili, Mahsa, Azita Hekmatdoost, Homayoon Vahedi, Hossein Poustchi, Behnam Khademi, Mohsen Saadi, Maryam Zemestani, and Leila Janani.
"Co-Administration of soy isoflavones and vitamin D in management of irritable bowel disease."
PloS one 11, no. 8 (2016): e0158545.
13.Vahedi, Homayoon, Shahin Merat, Shabnam Momtahen, and Aina Riahi.
Archives of Iranian medicine 17, no. 7 (2014): 466
14. Ghadir, Mohammad Reza, Mehri Poradineh, Masoud Sotodeh, Reza Ansari, Shadi Kolahdoozan, Ahmad Hormati, Mohammad Hosein Yousefi, Samaneh Mirzaei, and Homayoon Vahedi.
Middle East journal of digestive diseases 9, no. 1 (2017): 20.
15. Ansari R, Sohrabi M, Malekzadeh R, Mikaelie J, Masserat S
Journal of medical council of the Islamic Republic of IRAN, Vol.21, No.3, Year. 2003, Page:189-193,
16. Ansari R, Sohrabi M.R., Roohi S., Mikaeli J., Massarrat S., Malekzadeh R
Assessment of Colonic Transit Time (CTT) in patients with chronic constipation
Govaresh, Vol.5, No.25&26, Year. 2000, Page:10-15,
Poster presentation
1.Colonic Transit Time in Patients with Functional Constipation Compared with Constipation Predominant IBS. UEGW Vienna, Austria, 2008, 18-22 October Reza Ansari, Sahand Sohrabi, Hiva amjadi, Omid ghanaei, Shahin Merat, Homayoun Vahedi,
2.Colonic Transit Time in Patients with Functional Constipation Compared with Constipation Predominant IBS. DDW San Diego, California, 2008, 11-17 May Reza Ansari, Sahand Sohrabi, Hiva amjadi, Omid ghanaei, Shahin Merat, Homayoun Vahedi,
3.Colonic transit time and its mechanism in 64 Iranian patients with chronic idiopathic constipation GUT 1999; 45(SupplV):A134 Presented in the 7th United European Gastroenterology Week Roma, Italy, 13-17 Nov. 1999 Ansari R., Malekzadeh R., Roohi, Mikaeli M.J., Khatibian M
4.Colonic transit time and its mechanism in 64 Iranian patients with chronic idiopathic constipation Presented in the 10th Iranian Congress of Internal MedicineTehran-Iran, 3-6 May 1999 Ansari R., Malekzadeh R., Roohi, Mikaeli M.J., Khatibian M