1) Moertel CG, Bargen JA, Dockerty MB: Multiple carcinomas of the large intestine. Gastroenterology 34:85-98,1958
2) Warren S, Gates O: Multiple primary malignant tumors. Am J Cancer 16:1358-1414,1932
3) Long JW, Mayo CW, Dockerty MB, et al : Proceedings of the Meetings of the Moyo Clinic 25:169-178,1950
4) Lee TK, Barringer M, Myers RT et al.: Multiple primary carcinomas of the colon and associated extracolonic primary malignant tumors. Ann Surg 195:501-507,1982