Tonooka T, Sano Y, Fujii T, Kato S, Yoshino T, Fu KI, Hironaka S, Ochiai A, Yoshida S. Adenocarcinoma in solitary large hyperplastic polyp diagnosed by magnifying colonoscope: report of a case. Dis Colon Rectum. 2002 Oct;45(10):1407-11.PMID:12394444 [PubMed – indexed for MEDLINE]