Citation:Sanjoaquin MA, Allen N, Couto E, Roddam AW, Key TJ 2005
From National Cancer Control Policy
Sanjoaquin MA, Allen N, Couto E, Roddam AW, Key TJ. Folate intake and colorectal cancer risk: a meta-analytical approach. Int J Cancer 2005 Feb 20;113(5):825-8 Available from: http://www.ncbi.nlm.nih.gov/pubmed/15499620.
Critical appraisals