RT Journal Article SR Electronic T1 Nicotine dependence and reward differ between adolescent and adult male mice JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.107.121616 A1 Dena Kota A1 Billy R. Martin A1 Susan E. Robinson A1 M. Imad Damaj YR 2007 UL http://jpet.aspetjournals.org/content/early/2007/04/19/jpet.107.121616.abstract AB