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2. Enteroliths in Meckel's diverticulum misinterpreted as teeth;Ewing;Brit J Surg,1984
3. Calcific enteroliths in a vitello-intestinal duct;Harvey;Brit J Surg,1984
4. A companion in surgical studies. Edinburgh and London;Aird;E&S Livingstone Ltd,1957
5. Esophagolithiasis;Beg;The Indian J Radiology and Imaging 1991,1991