Serum osteoprotegerin and future risk of cancer and cancer-related mortality in the general population: the Tromsø study - Vik, Anders; Brodin, Ellen Elisabeth; Mathiesen, Ellisiv B.; Brox, Jan; Jørgensen, Lone; Njølstad, Inger; Brækkan, Sigrid Kufaas; Hansen, John-Bjarne (European Journal of Epidemiology, 2014)