1. Oberndorfer S, Oberndorfer S. Karzinoide Tumoren des Duenndarns. Frankfurt Z Pathol. 1907;1:426–30.
2. Gosset A, Masson P. Tumeurs endocrines de l’appendice. Presse Med. 1914;22:37–40.
3. Rosai J, Higa E. Mediastinal endocrine neoplasm, of probable thymic origin, related to carcinoid tumor. Clinicopathologic study of 8 cases. Cancer. 1972;29(4):1061–74. PubMed PMID: 4111691.
4. Rosai J, Levine G, Weber WR, Higa E. Carcinoid tumors and oat cell carcinomas of the thymus. Pathol Annu. 1976;11:201–26. PubMed PMID: 188002, Review.
5. Travis WD, Brambilla E, Müller-Hermelink HK, Harris CC. World Health Organization classification of tumours: pathology and genetics of tumours of the lung, pleura, thymus and heart. Lyon: IARC Press; 2004.