TY - RPRT TI - Efficient one-day sampling of mechanical job exposure data--a study based on upper trapezius activity in cleaners and office workers. AU - Svend Erik Mathiassen AU - Alex Burdorf AU - Allard J van der Beek AU - Gert-Ake Hansson DO - 10.1080/15428110308984809 UR - https://pubmed.ncbi.nlm.nih.gov/12688844/ ID - 12688844 ER -