P. . Memon, G. . Haider, A. Shahid, B. . Pavan, R. . Rahul, and S. . Beg, “Association of ABO Blood Group with Clinicopathological Factors among Gastric Cancer Patients in Tertiary Care Hospital”, PJMR, vol. 60, no. 4, pp. 155–158, Jan. 2022.