[1] NHLBI,CLIN HEMATOL BRANCH,BETHESDA,MD 20892
[2] NCI,METAB BRANCH,BETHESDA,MD 20892
[3] PRINCETON UNIV,DEPT MOLEC BIOL,PRINCETON,NJ 08544
[4] UNIV MINNESOTA,VET ADM MED CTR,MINNEAPOLIS,MN 55417
[5] UNIV CALIF SAN FRANCISCO,DEPT SURG,SAN FRANCISCO,CA 94143
[6] MEM SLOAN KETTERING CANC CTR,NEW YORK,NY 10021