Epidemiological methods : the effect of envelope type on response rates in epidemiological study of back pain.
Breaking the back of the NHS : back injuries the biggest ergonomic issue in the health care services.
The functional capacity of healthcare workers with history of severe acute respiratory syndrome (SARS) complicated with necrosis : case report.
Responsiveness of the physical work performance evaluation, a functional capacity evaluation, in patients with low back pain.
General and specific self efficacy reports of patients with chronic low back pain : are they related to performances in a functional capacity evaluation?
Exercise capacity in non-specific chronic low back pain patients : a lean body mass based Åstrand bicycle test : reliability, validity and feasibility.