1. Agarwal, P.K., Mehrotra, R. : Haemangiosarcoma of the breast. Indian J. Cancer 14, 182–185 (1977)
2. Agwunobi, T.C., Boak, J.: Diagnosis of malignant breast disease by axillary lymphoscintigraphy: a preliminary report. Br. J. Surg. 65, 379–383 (1978)
3. Ahmed, A. : Calcification in human breast carcinomas : Ultrastructural observations. J. Pathol. 117, 247–251 (1975)
4. Albertini, A. von: Histologische Geschwulstdiagnostik, 2. Aufl., S. 287. Stuttgart: Thieme 1974
5. Al-Jurf, A., Hawk, W., Crue, G., Jr.: Cystosarcoma phydes. Surg. Gynecol. Obstet. 146, 358–364 (1978)