524,961 PROCEEDINGS Proceedings XI International Cancer Congress Florence, 20-26 October 1974. Ed, Pietro Bucalossi, Umberto Veronesi, Natale Cascinelli. Amsterdam 1975 Excerpta Medica; Hew York, American Elsevier Publ. Co. Inc. 8° Excerpta Medica International Congress Ser. no. 353 Vol. 5. Surgery, radiotherapy and chemotherapy of cancer, s. IX, nlb.1, 386, il,