@article{doi:10.1302/0301-620X.85BSUPP_III.0850242,
author = {Bartys, S and Burton, A K and Watson, P J and Wright, I and Mackay, C and Main, C J},
title = {THE INFLUENCE OF PSYCHOSOCIAL OBSTACLES (YELLOW AND BLUE FLAGS) ON SICKNESS ABSENCE DUE TO LOW BACK PAIN – A PROSPECTIVE STUDY.},
journal = {Orthopaedic Proceedings},
volume = {85-B},
number = {SUPP_III},
pages = {242-242},
year = {2003},
doi = {10.1302/0301-620X.85BSUPP_III.0850242},
url = {https://doi.org/10.1302/0301-620X.85BSUPP_III.0850242}
}