1. Azzopardi JG: Problems in breast pathology. W. B. Saunders Company, Philadelphia, 1979.
2. Eusebi V, Feudale E, Foschini MPet al: Long-term follow-up of in situ carcinoma of the breast.Sent Diagn Pathol 11:223–235, 1994.
3. Eusebi V, Forchini MP, Cook MGet al: Long-term follow-up of in situ carcinoma of the breast with special emphasis on clinging carcinoma.Sent Diagn Pathol 6:165–73, 1989.
4. Fraser JL, Raza S, Chorny Ket al: Columnar alteration with prominent apical snouts and secretions. A spectrum of changes frequently present in breast biopsies performed for microcalcifications.Ant J Surg Pathol 22:1521–1527, 1998.
5. Tavassoli FA: Ductal carcinomain situ: Introduction of the concept of ductal intraepithelial neoplasia.Mod Pathol 11:140–154, 1998.