K. Abdulridha M. The Relationship between ABO Blood Group Distribution and the incidence of Upper Gastric and Duodenal Ulcer in Iraqi Patients. Iraqi Journal of Pharmaceutical Sciences [Internet]. 2017 Mar. 28 [cited 2024 Nov. 23];22(1):97-103. Available from: https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/428