Saydullayevich, M. L., B. S. Ibragimovich, A. K. Makhmatovich, and A. D. Muradovich. “Blood Transfusion Therapy in Patients With Vitamin B12 Deficiency Anemia After Resection of 2/3 of the Stomach”. INTERNATIONAL JOURNAL OF HEALTH SYSTEMS AND MEDICAL SCIENCES, vol. 2, no. 4, Apr. 2023, pp. 122-6, doi:10.51699/ijhsms.v2i4.1481.