Ulrich, C M; Kampman, E; Bigler, J et al. (2000) Lack of association between the C677T MTHFR polymorphism and colorectal hyperplastic polyps. Cancer Epidemiol Biomarkers Prev 9:427-33 |
Ulrich, C M; Kampman, E; Bigler, J et al. (1999) Colorectal adenomas and the C677T MTHFR polymorphism: evidence for gene-environment interaction? Cancer Epidemiol Biomarkers Prev 8:659-68 |