TY - RPRT TI - A computer-based interview system for patients with back pain. A validation study. AU - A M Thomas AU - J C Fairbank AU - P B Pynsent AU - D J Baker PY - 1989 DO - 10.1097/00007632-198908000-00012 UR - https://pubmed.ncbi.nlm.nih.gov/2528817/ ID - 2528817 ER -