Key points are not available for this paper at this time.
2 Recipient of an Amy Clare Potter Memorial Fund Fellowship, at The Department of Biological Structure, University of Washington School of Medicine, Seattle, Washington 98195. 3 Dyson Foundation Investigator in Pediatric Oncology. 4 Address requests for reprints to Jeffrey M. Lipton, M.D., Ph.D., Division of Pediatric Oncology, Sidney Farber Cancer Institute, 44 Binney Street, Boston, Massachusetts 02115.
&NA; (Sun,) studied this question.