1. Hyperplasias and tumours of the disseminated endocrine (paracrine) helle zellen Feyrter's of the gut with special regard of amphicrine cell proliferations (author's transl);Ratzenhofer;Verh Dtsch Ges Pathol,1977
2. The amphicrine (endo-exocrine) cells in the human gut, with a short reference to amphicrine neoplasias;Ratzenhofer;Acta Morphol Acad Sci Hung,1980
3. Ultrastructural study of a mucinous carcinoid of the skin;Sakamoto;J Cutan Pathol,1991
4. Nomenclature and classification of neuroendocrine neoplasms of the digestive system;Rindi,2010
5. Sinonasal neuroendocrine carcinoma exhibiting amphicrine differentiation;McCluggage;Histopathology,1995