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Blatter, B.M. (author), Tigchelaar, A. (author), Grijzen, F. (author), Goldbohm, R.A. (author), Voorrips, L.E. (author), Bongers, P.M. (author), Mulders, H. (author)
ntroduction and objective For the benefit of epidemiological research on physical activity and the risk of cancer, a job exposure matrix for physical activity (JEMPA) was made, including all occupations of the Dutch version of the 4-digit ILO occupational classification system. Physical activity was defined by number of hours sitting per 8-hour...
conference paper 1998