Iwasaki J, Sano Y, Fu KI, Machida A, Okuno T, Kuwamura H, Yoshino T, Mera K, Kato S, Fujii T, Ohtsu A and Yoshida S. Depressed type (0-IIc) Colorectal Neoplasm in Patients with Family History of First-degree Relatives with Colorectal Cancer: A Cross-sectional Study. World J Gastroenterol. 2006 May 21;12(19):3082-7.PMID: 16718792 [PubMed – indexed for MEDLINE] PMCID: PMC4124386