ANALYSIS OF EFFICIENCY OF SIMULTANEOUS ENDOVIDEOSURGICAL OPERATIONS IN COMBINED DISEASES OF THE ABDOMINAL CAVITY, RETROPERITONEAL SPACE AND PELVIS simultaneous operations, endovideosurgery, combined diseases of the abdominal cavity, retroperitoneal space and pelvis Akylbek Usupbaev , А. Baigazakov , B. Uson uulu , N. Mamanov , К. Zhanybaev , А. Zhumagaliev https://doi.org/10.54890/1694-6405_2023_3_131