Body mass index and mortality in elderly men and women: the Tromsø and HUNT studies
Jan-Magnus Kvamme, Jostein Holmen, Tom Wilsgaard, Jon Florholmen, Kristian Midthjell, Bjarne K Jacobsen
J Epidemiol Community Health Jul 2012, 66 (7) 611-617; DOI: 10.1136/jech.2010.123232