Long-Term Course of Failed Back Surgery Syndrome (FBSS) Patients Receiving Integrative Korean Medicine Treatment: A 1 Year Prospective Observational Multicenter Study. - Lee, Jinho; Shin, Joon-Shik; Lee, Yoon Jae; Kim, Me-riong; Choi, Areum; Lee, Jun-Hwan; Shin, Kyung-Min; Shin, Byung-Cheul; Cho, Jae-Heung; Ha, In-Hyuk (PLoS ONE, 2017)