Umarqulov Zabur Zafarjonovich; Gaybullayev Sherzod Obid ugli; Jurayev Kamoliddin Danabaevich; Usarov Muxriddin Shuxratovich; Ollonazarov Farrux Zokir ugli; Zarpullayev Javohir Salimjon ugli. METHODOLOGICAL PRINCIPLES OF ENDOSCOPIC PAPILLOSPHINCTEROTOMY. IMRAS 2024, 7, 204-212.