Umarqulov Zabur Zafarjonovich, Gaybullayev Sherzod Obid ugli, Jurayev Kamoliddin Danabaevich, Usarov Muxriddin Shuxratovich, Ollonazarov Farrux Zokir ugli, and Zarpullayev Javohir Salimjon ugli. 2024. “METHODOLOGICAL PRINCIPLES OF ENDOSCOPIC PAPILLOSPHINCTEROTOMY”. IMRAS 7 (3):204-12. https://journal.imras.org/index.php/sps/article/view/1169.