Parajuli, Ranjan; Bjerkaas, Eivind; Aage, Tverdal; Le Marchand, Loïc; Weiderpass, Elisabete; Gram, Inger Torhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-05-06)
Background: Smoking has recently been established as a risk factor for rectal cancer. We examined whether the
smoking-related increase in rectal cancer differed by gender.
Methods: We followed 602,242 participants (49% men), aged 19 to 67 years at enrollment from four Norwegian
health surveys carried out between 1972 and 2003, by linkage to Norwegian national registries through December
2007. ...