Khamdamov Botirjon Nusratullo ogli, G’aybullayev Kamronbek Faxritdin ogli, H. O. U. . ogli, Qodirov Javohir Jasurbek ogli, Qosimov Abdiholiq Jamoliddin ogli, and Davlatova Durdona O’tkir qizi, “Diseases of the Upper Gastrointestinal Tract with Bleeding. Clinic, Diagnosis, Differential Diagnosis and First Aid”, PEMS, vol. 9, no. 1, pp. 1–3, Jan. 2024.