In this study, data on 68 male OSF patients were retrospectively collected from our oral mucosal disease clinic.The blood hemoglobin,mean corpuscular volume, and serum iron,Vitamin B12,folic acid, and gastric parietal cell antibody levels were examined and compared with the corresponding data in 136 age-matched male healthy patients might have higher frequencies of anemia;of serum gastric parietal cell antibody positivity than age-matched healthy male control individuals.