%0 Journal Article
%T The motivation for beer in rats: effects of ritanserin, naloxone and SR 141716
%A Gallate, Jason E.
%A McGregor,  I. S.
%J Psychopharmacology
$V 142
%N 3
%P 302-308
%@ 0033-3158
%D 1999
%I Springer-Verlag