Stephen C. Gammie, Nina S. Hasen, Tarif A. Awad, Anthony P. Auger, Heather M. Jessen, Jules B. Panksepp, Anne M. Bronikowski
Brain Res Mol Brain Res.
Author manuscript; available in PMC 2006 Feb 21.Published in final edited form as: Brain Res Mol Brain Res. 2005 Oct 3; 139(2): 201–211. doi: 10.1016/j.molbrainres.2005.05.011