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A RESECTED CASE OF EXTRASKELETAL OSTEOSARCOMA OF THE SIGMOID COLON

T. Shinagawa, Ryouji Makizumi, Nao Suda, 2007 .

Adult Colo–Rectal Intussusception Prolapsed Through the Anus : A Case Report

H. Nakano, Shinjiro Kobayashi, J. Sakurai, 2008 .