1. Haagensen CD, Bordian C, Haagensen DE: Breast Carcinoma, Risk and Detection. WB Saunders, Philadelphia, 1981, p 124
2. Azzopardi JG: Problems in Breast Pathology. WB Saunders, Philadelphia, 1979, p 113
3. Foote FW, Stewart FW: Comparative studies of cancerous versus noncancerous breast. Ann Surg 121:6–197, 1945
4. Kraus FT, Neubecker RD: The differential diagnosis of papillary tumors of the breast. Cancer 15:444–455, 1962
5. McDivitt RW, Stewart FW, Berg JW: Tumors of the Breast. Atlas of Tumor Pathology, 2nd series, fascicle 2. Armed Forces Institute of Pathology, Washington DC, 1967, p 14