1. Høie J, Jørgensen OG, Brennhovd IO: Axillære lymfeknuter og cancer mammae. Tidskr Nor Lægefor 13: 617–618, 1977
2. Fisher B, Wolmark N, Bauer M, Redmond C, Gebhardt M: The accuracy of clinical nodal staging and of limited axillary dissection as a determinant of histologic nodal status in carcinoma of the breast. Surg Gynec Obstet 152: 765–772, 1981
3. Black RB, Steele RJC, Collins WCJ, Forrest APM: Site, size and significance of palpable metastatic and ‘reactive’ nodes in operable breast cancer. Clin Oncol 8: 127–135, 1982
4. Black RB, Steele RJC, Collins WCJ, Roberts MM, Stewart HJ, Forrest APM: The effect of node sample size on the histological node status in patients with operable breast cancer. Clin Oncol 8: 137–143, 1982
5. International Union against Cancer. TNM classification of malignant tumours: Breast. Geneva, 1978