| http://www.w3.org/ns/prov#value | - Although no study has determined the overall number of molecular genetic tests performed that could be considered unwarranted or unnecessary, a study of the use and interpretation of adenomatous polyposis coli gene (APC) testing for familial adenomatous polyposis and other heritable conditions associated with colonic polyposis indicated that 17% of the cases evaluated did not have valid indication
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