The EPIC-Norfolk Study
Risk factors for cancers of unknown primary site: Results from the prospective EPIC cohort.
Kaaks R, Sookthai D, Hemminki K, Krämer A, Boeing H, Wirfält E, Weiderpass E, Overvad K, Tjønneland A, Olsen A, Peeters PH, Bueno-de-Mesquita HB, Panico S, Pala V, Vineis P, Quirós JR, Ardanaz E, Sánchez MJ, Chirlaque MD, Larrañaga N, Brennan P, Trichopoulos D, Trichopoulou A, Lagiou P, Hallmans G, Khaw KT, Key TJ, Riboli E, and Canzian F
International journal of cancer. Dec 2013
(DOI : 10.1002/ijc.28874)