Park KB, Yoo KF, Yoon M, Hong D. Development of Neuro[[spine Surgery]] in [[North
Korea]]: The Contribution of Korean American [[Neurosurgeon]]s. [[Neurospine]]. 2018
Jun;15(2):111-116. doi: 10.14245/ns.1836138.069. Epub 2018 Jun 19. PubMed PMID:
29991239; PubMed Central PMCID: PMC6104726.