RESULTS OF INTERVERTEBRAL DISC REPLACEMENT FOR DISEASES OF THE ADJACENT SEGMENT OF THE LUMBAR SPINE disc herniation, adjacent segment stenosis, adjacent segment disease, ALIF, M6-L intervertebral endoprosthesis Sabyrbek Dzhumabekov , Samat Mamyrbaev , Nurbek Atakulov , Muhammad Bekov https://doi.org/10.54890/1694-6405_2023_4_169