Gastrointestinal cancers.
Krueger
Hans
H
Cancer Prevention Programs, BC Cancer Agency, Vancouver, BC, Canada.
McLean
David
D
Williams
Dan
D
D005260:Female; D005770:Gastrointestinal Neoplasms / Q000209:etiology*; D006801:Humans; D008297:Male; D016609:Neoplasms, Second Primary / Q000209:etiology* / Q000517:prevention & control; D012307:Risk Factors