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Information sources and search strategies

RK Rani Kanthan
ST Suresh Tharmaradinam
TA Tehmina Asif
SA Shahid Ahmed
SK Selliah C Kanthan
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A comprehensive review of the published English literature was conducted using the search engines PubMed, MEDLINE and GOOGLE scholar. The following search terms (“mixed tumors colon” OR mixed endocrine/neuroendocrine tumor/neoplasm/lesion colon OR adenocarcinoma and endocrine/neuroendocrine tumor colon OR mixed adenocarcinoma and endocrine/neuroendocrine carcinoma colon OR Amphicrine tumors OR Collision tumors) were used. This was repeated for rectal tumors independently using the same search terms. The initial search was conducted in September of 2019. In addition an updated search was conducted in April 2020.

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