Authors: George Adrian Calin; Calin Dan Dumitru; Masayoshi Shimizu; Roberta Bichi; Simona Zupo; Evan Noch; Hansjuerg Aldler; Sashi Rattan; Michael Keating; Kanti Rai; Laura Rassenti; Thomas Kipps; Massimo Negrini; Florencia Bullrich; Carlo M Croce Journal: Proc Natl Acad Sci U S A Date: 2002-11-14 Impact factor: 11.205