Kim, Nack-Hwan, Sung-Bom Pyun, and Hwee-Kyu Kwon. "Ultrasonographic finding of painful hemiplegic shoulder associated with motor recovery after stroke." Brain & Neurorehabilitation 4.1 (2011): 44-49.

Lee, Sang Heon, et al. "Efficacy of a new navigable percutaneous disc decompression device (L'DISQ) in patients with herniated nucleus pulposus related to radicular pain." Pain Medicine 12.3 (2011): 370-376.

Kim, Nack Hwan, and Dong Hwee Kim. "Ulnar neuropathy at the wrist in a patient with carpal tunnel syndrome after open carpal tunnel release." Annals of Rehabilitation Medicine 36.2 (2012): 291.

Kim, Nack Hwan, Sang Heon Lee, and Seok Jun Lee. "Percutaneous transforaminal epidural injection method in an experimental rat: minimally invasive drug delivery method to spinal epidural space." Annals of Rehabilitation Medicine 36.5 (2012): 640-647.

Lee, Sang Heon, et al. "Effectiveness of a new navigable percutaneous disc decompression device (L'DISQ) in patients with lumbar discogenic pain." Pain Medicine 16.2 (2015): 266-273.

Lee, Sang-Heon, et al. "Characteristics of molybdenum as a plasma-generating electrode." Science of Advanced Materials 8.9 (2016): 1844-1847.

Meng, Won-Jun, et al. "Modification of therapeutic temperature range in cryotherapy could improve clinical efficacy in tension type headache." Journal of Back and Musculoskeletal Rehabilitation 31.3 (2018): 577-581.

Kim, Nack Hwan, and Sang-Heon Lee. "Foot drop caused by a movable cystic mass during knee motion." Journal of Back and Musculoskeletal Rehabilitation 31.4 (2018): 667-670.

Kim, Nack Hwan, Youngki Hong, and Sang-Heon Lee. "Two-year clinical outcomes of radiofrequency focal ablation using a navigable plasma disc decompression device in patients with lumbar disc herniation: efficacy and complications." Journal of Pain Research (2018): 2229-2237.

Choi, Jongwoo, et al. "Effect of injectate viscosity on epidural distribution in lumbar transforaminal epidural steroid injection." Pain Research and Management 2019.1 (2019): 2651504.

Kim, Nackhwan, and Seok Bong Jung. "Percutaneous unilateral biportal endoscopic spine surgery using a 30-degree arthroscope in patients with severe lumbar spinal stenosis: a technical note." Clinical spine surgery 32.8 (2019): 324-329.

Kim, Nack-Hwan, and Seok-Bong Jung. "Clinical Efficacy and Safety of Unilateral Biportal Endoscopic Spinal Cervical Surgery." Journal of Advanced Spine Surgery 9.2 (2019): 23-30.

Kim, Dahn, Nack-Hwan Kim, and Sang-Heon Lee. "Provocative Discography Following Focal Selective Coagulation in a Patient with Chronic Lumbar Discogenic Pain." Clinical Pain 18.2 (2019): 142-146.

Kim, Nackhwan, and Seok Bong Jung. "Biportal endoscopic spine surgery in the treatment of multi-level spontaneous lumbar epidural hematoma: case report." Journal of Orthopaedic Science 27.1 (2022): 288-291.

Kim, Nackhwan, et al. "Effect of direct vibration on the activity of deep trunk muscles of patients with non-specific chronic low back pain." Journal of Back and Musculoskeletal Rehabilitation 35.5 (2022): 1109-1118.

Kim, Nackhwan. "Focal Selective Nucleoplasty Using Navigable and Plasma-Generating Catheter: A Narrative Review." International Journal of Pain 13.1 (2022): 1-10.

Jeon, Yuho, et al. "Effect of Ramp on Joint Moment of Attendants during Manual Control of Wheelchairs." Clinical Pain (2022): 21-31.

Jung, Seok Bong, and Nackhwan Kim. "Biportal endoscopic spine surgery for cervical disk herniation: a technical notes and preliminary report." Medicine 101.27 (2022): e29751.

Park, Hongbum, and Nackhwan Kim. "Intradiscal procedures in chronic spinal pain: a narrative review." International Journal of Pain 13.2 (2022): 55-70.

Kim, Nackhwan, and Sang-Heon Lee. "Increase efficiency of intervertebral disc tissue removal through optimization of radiofrequency plasma generator." International Journal of Pain 13.2 (2022): 71-77.

Kim, Minhee, et al. "Estimation of Functional Reserve in Patients with Hospital-Associated Deconditioning." International Journal of Environmental Research and Public Health 19.21 (2022): 14140.

Jung, Seok Bong, and Nackhwan Kim. "Lumbosacral interbody fusion using a biportal endoscopic technique for patients with multilevel severe degenerative lumbosacral spondylosis: technical note and case presentations." Journal of Neurological Surgery Part A: Central European Neurosurgery 84.05 (2023): 506-511.

Kim, Nackhwan, et al. "Assessment of a Discogenic Pain Animal Model Induced by Applying Continuous Shear Force to Intervertebral Discs." Pain Physician 26.3 (2023): E181.

Kim, Nackhwan. "Intraneural ganglion cyst of the peroneal nerve occurring after coronavirus disease-19 vaccination: A case report." Human Vaccines & Immunotherapeutics 19.3 (2023): 2265657.

Kim, Nackhwan, and Sang-Heon Lee. "Prognostic Factors Affecting Therapeutic Efficacy of Intradiscal Steroid Injection in Patients with Chronic Discogenic Low Back Pain." International Journal of Pain 14.2 (2023): 68-78.

Jung, Seok-Bong, Ishant Gunadala, and Nackhwan Kim. "Comparison of Cervical Biportal Endoscopic Spine Surgery and Anterior Cervical Discectomy and Fusion in Patients with Symptomatic Cervical Disc Herniation." Journal of Clinical Medicine 13.6 (2024): 1823.

Lee, Dae-Wook, Seok Kang, and Nackhwan Kim. "Recurrent Acute Disseminated Encephalomyelitis Presenting as Conus Medullaris Syndrome: A Case Report." Medicina 60.1 (2024): 188.

Jung, Seok Bong, and Nackhwan Kim. "Biportal Endoscopic Resection of Intradural Meningioma in the Cervical Spine: A Case Report." International Journal of Spine Surgery (2024).

Lee, Jun Y., et al. "Mechanical influence of facet tropism in patients with chronic discogenic pain disorder." Bone & joint research 13.9 (2024): 452-461.