1. Cigarette Smoking and Colorectal Cancer Risk in the European Prospective Investigation Into Cancer and Nutrition Study 
Anke M. Leufkens, Fränzel J.B. Van Duijnhoven, Peter D. Siersema, Hendriek C. Boshuizen, Alina Vrieling, Antonio Agudo, Inger T. Gram, Elisabete Weiderpass, Christina Dahm, Kim Overvad, Anne Tjønneland, Anja Olsen, Marie–Christine Boutron–Ruault, Françoise Clavel–Chapelon, Sophie Morois, Domenico Palli, Sara Grioni, Rosario Tumino, Charlotta Sacerdote, Amalia Mattiello, Silke Herman, Rudolf Kaaks, Annika Steffen, Heiner Boeing, Antonia Trichopoulou, Pagona Lagiou, Dimitrios Trichopoulos, Petra H. Peeters, Carla H. van Gils, Henk van Kranen, Eliv Lund, Vanessa Dumeaux, Dagrun Engeset, Laudina Rodríguez, Maria–José Sánchez, Maria–Dolores Chirlaque, Aurelio Barricarte, Jonas Manjer, Martin Almquist, Bethany van Guelpen, Göran Hallmans, Kay–Tee Khaw, Nick Wareham, Konstantinos K. Tsilidis, Kurt Straif, Maria Leon–Roux, Paul Vineis, Teresa Norat, Elio Riboli, H. Bas Bueno–de–Mesquita 
Clinical Gastroenterology and Hepatology 
Volume 9, Issue 2, Pages (February 2011)
DOI: /j.cgh
Copyright © 2011 AGA Institute Terms and Conditions

2. Figure 1 Flow chart of exclusions.
Clinical Gastroenterology and Hepatology 2011 9, DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions