APA

Samad A. K. A., Taylor R. S., Marshall T. & Chapman M. A. S. (20050825). A meta-analysis of the association of physical activity with reduced risk of colorectal cancer. : Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

Chicago

Samad A K A, Taylor R S, Marshall T and Chapman M A S. 20050825. A meta-analysis of the association of physical activity with reduced risk of colorectal cancer. : Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

Harvard

Samad A. K. A., Taylor R. S., Marshall T. and Chapman M. A. S. (20050825). A meta-analysis of the association of physical activity with reduced risk of colorectal cancer. : Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

MLA

Samad A K A, Taylor R S, Marshall T and Chapman M A S. A meta-analysis of the association of physical activity with reduced risk of colorectal cancer. : Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland. 20050825.