Hyo-Won Lee

A novel method for S1 transforaminal epidural steroid injection.

Young Hwan Kim, Jaegeum Shim, K. Ryu, 2019, World neurosurgery.

Efficacy of extracorporeal shockwave therapy in the treatment of postherpetic neuralgia

K. Ryu, E. Cho, J. Ahn, 2020, Medicine.