TY - JOUR A1 - Niederer, Daniel T1 - Erratum to: Medicine in spine exercise (MiSpEx) for nonspecific low back pain patients: study protocol for a multicentre, single-blind randomized controlled trial T2 - Trials N2 - Erratum to: 10.1186/s13063-016-1645-1 Y1 - 2017 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/44721 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-447216 VL - 18 IS - 60 ER -