%0 Journal Article %T Transpedicular Endoscopic Surgery for Highly Downmigrated L5-S1 Disc Herniation %A Guntram Krzok %J Archive of "Case Reports in Medicine". %D 2019 %R 10.1155/2019/5724342 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6410447/