%0 Journal Article %T Effects of X-ray irradiation on methylation levels of p16, MGMT and APC genes in sporadic colorectal carcinoma and corresponding normal colonic mucosa %A Krakowczyk £¿ukasz %A Strzelczyk Joanna K %A Blamek S£¿awomir %A Maciejewski Adam %J Hereditary Cancer in Clinical Practice %D 2012 %I BioMed Central %R 10.1186/1897-4287-10-s3-a12 %U http://www.hccpjournal.com/content/10/S3/A12