Affiliation: | (1) Regina Elena Cancer Institute (F. G.), Viale Regina Elena 291, Rome, Italy;(2) AntiCancer, Inc. (L. L., R. M. H.), 5325 Metro Street, 92110 San Diego, California;(3) Laboratory of Cancer Biology (R. M. H.) Department of Pediatrics, 0609F University of California, 92093 San Diego, La Jolla, California |