NavGeneral InfoEmail Print Geography Norway (NOR) Time period covered 01/1974 - 12/1994 Data type Scientific literature Keywords Physical activity, Breast cancer Citation Authors Thune I, Brenn T, Lund E, Gaard M Journal N Engl J Med Volume 336 Issue 18 Pages 1269-75 Publication year 1997 Suggested citation Thune I, Brenn T, Lund E, Gaard M. Physical activity and the risk of breast cancer. N Engl J Med. 1997; 336(18): 1269-75. GHDx Entry last modified on: Mar 3, 2019