· Prevalence of gastrointestinal cancers among the urban and rural population of Fars, Booshehr, ….
· Prevalence of gastric dysplasia and cancer in Iranian soldiers exposed to chemical warfares
· Prevalence of Iron deficiency and its etiology in Iraninan soldiers exposed to chemical warfares
· Subgroups of chronic autoimmune hepatitis (AIH) in adult patients in Fars : frequency and classification
· Comparison of three different popular methods used in the analysis of the correlations between signs and symptoms of the patients with reflux and 24 hour PH metry
· Prevalence of celiac disease in adult patients with cryptogenic chronic hepatitis
· Prevalence of hepatitis D in patients with chronic active hepatitis B in Fars province
· Studying polymorphism of the CTLA-4 gene in patients with ulcerative colitis
· Efficacy and safety of endoscopic injection of tranexamic acid with and without alcohol in acute treatment of esophageal variceal bleeding in an animal model
· Study of the prevalence of GI and liver symptoms in adult population of Shiraz & identifying those at high risk for gastric and large bowel cancers
· The rate of immunity to HAV (Hepatitis A virus) in patients with chronic liver disease in Motahari Liver Clinic in Shiraz
· Determination of the genotype of HCV in hepatitis C patients referring to Motahari Outpatient Clinic, Shiraz, Iran
· Concomitant identification of Cag A, Vac A and Ice A genotype of Helicobacter pylori isolates and polymorphism of host TNF-α TNF-ك genes and evaluation of their concomitant effects on disease outcome
· Antibiotic sensitivity tests on Helicobacter pylori isolated from patients with gastrodudenal lesions, using Metronidazole, Amoxicillin, Tetracycline, Furazolidone , Co- amoxiclav, Ciprofloxacin, Clarithromycin and determination of their minimuam Inhibitory Concentration(MIC) using the Eclipse test
· The role of viral hepatitis(A,B,C,D,E) in fulmininat hepatitis in Shahid – Faghihi and Nemazee Hospital in Shiraz
· An epidemiological survey on demographic and laboratory characteristics of gallstone: A postmortem study of adults in Shiraz
· Comparing the accuracy of brushing cytology of upper GI malignancies pre & post biopsy
· The relationship between celiac disease and osteoprosis in the normal population of Shiraz
· Outcome of Lamivudine and Interferon therapy in patients with chronic hepatitis B
· A long term follow up study of HBV infected patients in Fars province
· Evaluation of the incidence of Hepatitis B virus exposure in Fars province
· Prevalence of celiac disease in 100 infertile couples in Shiraz
· Evaluation of the effective factors in the outcome of patients with HBV infection
· The effect of stool softener (psylieum powder) consumption in prevention or reduction of hemorrhoidal disease and anal fissure, using internal sphincter pressure analyzer (manometery) in Shiraz University of Medical Sciences during 1382-83
· Evaluation of soluble CD44 and its V6 variant in colorectal carcinoma: possible correlation with serum TGF-ك level
· Evaluation of diverting ileostomy by use of mushroom drainage catheter in animal model
· Diagnostic accuracy of ELISA for urine 5-HIAA in the diagnosis of acute appendicitis
· Effects of sleep and food consumption on the concentration of spot urine 5-HIAA in adults
· A five year follow up of colorectal cancer patients referring to Shiraz Cancer Registry Center
· A one year follow up of esophageal cancer patients referring to Shiraz Cancer Registry Center
· Evaluation of the prevalence of hepatitis B in two young population groups in Fars province and their exposure to hepatitis B virus
· Relative frequencies of hepatitis C genotypes and its relation to factors of acquiring infection in HIV positive patients
· Comparison between prevalence of gallstone in addicts and non-addicts by abdominal sonography in Shiraz, 2003
· Comparison of specificity and sensitivity of different non-invasive diagnostic methods of helicobacter infection(stool antigen and 13C – UBT) with histology in patients with peptic ulcer disease and acute upper gastrointestinal bleeding
· Investigation of the prevalence of gluten sensitivity in Iranian MS patients
· Correlation of hyaluronic acid level and degree of fibrosis in chronic hepatitis B
· Proinflammatory cytokine profiles in neonatal cholestasis
· Etiology and outcome of upper gastrointestinal bleeding in patients referred to Shiraz University hospitals