RT Journal Article SR Electronic T1 Comparison of motivations and concerns for genetic testing in hereditary colorectal and breast cancer syndromes JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP e44 OP e44 DO 10.1136/jmg.2003.012526 VO 41 IS 4 A1 J BalmaƱa A1 E M Stoffel A1 K M Emmons A1 J E Garber A1 S Syngal YR 2004 UL http://jmg.bmj.com/content/41/4/e44.abstract AB