Tehran University of Medical Sciences Iranian Journal of Allergy, Asthma and Immunology 1735-1502 3 3 2004 09 15 127 132 Behzad Hooshm Alireza Monsef Mohammad Amirmadglesi Mani Kashani 2015 10 01 The aim of this study was to evaluate an enzyme - linked immunosorbent assay (ELISA) for the detection of anti - helicobacter pylori (H. pylori) specific IgG antibodies in specimens of oral fluid. All subjects over the age 18 years undergoing endoscopy for any reason were asked to participate in the study. Two groups of 44 patients in each were selected as HP+ and HP-. At the same time, 5 milliliters of unstimulated saliva was collected from these patients, and the antibody titration against H.P. was evaluated by “ELISA” method. In overall, the level of salivary antibody in H.P+ group was significantly more than those in H.P- group (P https://ijaai.tums.ac.ir/index.php/ijaai/article/view/79 https://ijaai.tums.ac.ir/index.php/ijaai/article/download/79/79