1. M. Fleisher, G. Robbins, C. Poseed, A. Fracchia, J. Urban and M. Schwartz, Meml-Sloan Kettering clin. Bull.3, 95 (1973).
2. S. Warren, Surg. Gynec. Obstet.71, 257 (1940).
3. E. Lewison and L. Lyons, Arch. Surg.66, 94 (1953).
4. V. Veronesi and G. Pizzocaro, Surg. Gynec. Obstet.126, 529 (1968).
5. M. Block, T. Barclay, S. Cutter, B. Hankey and A. Asire, Cancer29, 338 (1972).