Learning Curve of Percutaneous Endoscopic Lumbar Discectomy Based on the Period (Early vs. Late) and Technique (in-and-out vs. in-and-out-and-in): A Retrospective Comparative Study

Por Ahn, Sang-Soak, Kim, Sang-Hyeon, Kim, Dong-Won
Publicado no J Korean Neurosurg Soc (2015)

Radiologic Findings and Risk Factors of Adjacent Segment Degeneration after Anterior Cervical Discectomy and Fusion : A Retrospective Matched Cohort Study with 3-Year Follow-Up Usi...

Por Ahn, Sang-Soak, So, Wan-Soo, Ku, Min-Geun, Kim, Sang-Hyeon, Kim, Dong-Won, Lee, Byung-Hun
Publicado no J Korean Neurosurg Soc (2016)

Ultra-high-throughput Production of III-V/Si Wafer for Electronic and Photonic Applications

Por Geum, Dae-Myeong, Park, Min-Su, Lim, Ju Young, Yang, Hyun-Duk, Song, Jin Dong, Kim, Chang Zoo, Yoon, Euijoon, Kim, SangHyeon, Choi, Won Jun
Publicado no Sci Rep (2016)