%0 Journal Article %T Direct medical costs after surgical or nonsurgical treatment for degenerative lumbar spinal disease: A nationwide matched cohort study with a 10-year follow-up %A Kim, Chi Heon %A Chung, Chun Kee %A Choi, Yunhee %A Lee, Juhee %A Yang, Seung Heon %A Lee, Chang Hyun %A Park, Sung Bae %A Kim, Kyoung-Tae %A Rhee, John M. %A Park, Moon Soo %J PLoS ONE %V 16 %N 12 %D 2021-12-01 %I Public Library of Science %~ DeepDyve