1. Squamous cell carcinoma and adenoacanthoma of the stomach;Boswell;Cancer,1965
2. Adenoacanthomas of the colon;Cook;Arch. Path.,1958
3. Metastatic tumors of the small intestines;Castro;Surgery Gynec. Obstet.,1957
4. Mucoepidermoid carcinoma of the esophagus;Kay;Cancer,1968
5. Muco-epidermoid tumours of the anal canal;Morson;J. Clin. Path.,1963