Serge H. Ahmed, Robert Lutjens, Lena D. van der Stap, Dusan Lekic, Vincenzo Romano-Spica, Marisela Morales, George F. Koob, Vez Repunte-Canonigo, Pietro Paolo Sanna
Proc Natl Acad Sci U S A. 2005 Aug 9; 102(32): 11533–11538. Published online 2005 Aug 2. doi: 10.1073/pnas.0504438102