Epidemiological methods : the effect of envelope type on response rates in epidemiological study of back pain.
Job strain in relation to ambulatory blood pressure, heart rate, and heart rate variability among female nurses.
Breaking the back of the NHS : back injuries the biggest ergonomic issue in the health care services.
Strategies used by women workers to reconcile family responsibilities with atypical work schedules in the service sector.
Patient transfers and assistive devices : prospective cohort study on the risk for occupational back injury among healthcare workers.