1. Squamous cell carcinoma;Boswell;Cancer,1965
2. Multiple primary malignant neoplasmas;Campbell;Arch. Serg.,1969
3. Primary multiple cancers;Fried;Arch. Surg.,1958
4. Three cases of primary adenoacanthoma of the stomach;Fukuda;Jap. J. Cancer Clin.,1974
5. Uber heterologe Canoroide;Herxheimer;Beitr. Path. Anat.,1907