192,334 PROCEEDINGS Proceedings of the American Association for Cancer Research and American Society of Clinical Oncology. Baltimore 1980 4° American Association for Cancer Research, Inc., American Society of Clinical Oncology. Vol. 21. Seventy-first Annual Meeting of the American Association for Cancer Research My 28—31, 1980. Proceedings Sixteenth Annual Meeting o the American Society of Clinical Oncology May 26-27, 1980. San Diego, California s. nib. 4, 565