Khamdamov Botirjon Nusratullo ogli; G’aybullayev Kamronbek Faxritdin ogli; ogli, H. O. U. .; Qodirov Javohir Jasurbek ogli; Qosimov Abdiholiq Jamoliddin ogli; Davlatova Durdona O’tkir qizi. Diseases of the Upper Gastrointestinal Tract With Bleeding. Clinic, Diagnosis, Differential Diagnosis and First Aid. PEMS 2024, 9, 1-3.