RT Journal Article SR Electronic T1 APC gene mutation does not predict duodenal cancer JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 585 OP 585 DO 10.1136/jmg.39.8.585 VO 39 IS 8 YR 2002 UL http://jmg.bmj.com/content/39/8/585.abstract AB