Wang, Xiaoliang Combined effect of modifiable and non-modifiable risk factors for colorectal cancer risk in a pooled analysis of 11 population-based studies. [electronic resource] - BMJ open gastroenterology 2019 - e000339 p. digital Publication Type: Journal Article ISSN: 2054-4774 Standard No.: 10.1136/bmjgast-2019-000339 doi