title: Cigarette smoking, genetic variants in carcinogen-metabolizing enzymes, and colorectal cancer risk.
authors.affiliation: Cancer Care Ontario, Toronto, Ontario, Canada. sean.cleary@uhn.on.ca
authors.forename: Sean P
authors.initials: SP
authors.lastname: Cleary
authors.forename: Michelle
authors.initials: M
authors.lastname: Cotterchio
authors.forename: Ellen
authors.initials: E
authors.lastname: Shi
authors.forename: Steven
authors.initials: S
authors.lastname: Gallinger
authors.forename: Patricia
authors.initials: P
authors.lastname: Harper