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JMIR Research Protocols

Lifetime Occupational Physical Activity and Musculoskeletal Aging in Middle-Aged Men and Women in Denmark: Retrospective Cohort Study Protocol and Methods

Anne Møller, Ole Steen Mortensen, Susanne Reventlow, Peder Georg Skov, Johan Hviid Andersen, Tine Steen Rubak, Åse Marie Hansen, Lars L Andersen, Rikke Lund, Merete Osler, Ulla Christensen, Kirsten Avlund

JMIR Res Protoc 2012 (Jul 27); 1(2):e7
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