Long-term course of failed back surgery syndrome (FBSS) patients receiving integrative Korean medicine treatment: a 1 year prospective observational multicenter study
Quality of medical service, patient satisfaction and loyalty with a focus on interpersonal-based medical service encounters and treatment effectiveness: a cross-sectional multicenter study of complementary and alternative medicine (CAM) hospitals
Comparative effectiveness and cost-effectiveness of Chuna manual therapy versus conventional usual care for non-acute low back pain: study protocol for a pilot multi-center, pragmatic randomized controlled trial (pCRN study)