TY - JOUR AU - Tlach, L; Hampel, P TI - Long-term effects of a cognitive-behavioral training program for the management of depressive symptoms among patients in orthopedic inpatient rehabilitation of chronic low back pain: a 2-year follow-up JO - Eur Spine J VL - 20 PY - 2011 DO - 10.1007/s00586-011-1810-x L3 - PubMed-ID: 21516327 SP - 2143 EP - 2151 ER -