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

by Møller, Anne, Mortensen, Ole Steen, Reventlow, Susanne, Skov, Peder Georg, Andersen, Johan Hviid, Rubak, Tine Steen, Hansen, Åse Marie, Andersen, Lars L, Lund, Rikke, Osler, Merete, Christensen, Ulla, Avlund, Kirsten
Published 2012