Jonathan J. Herrera, SofiyaFedynsk, Parsa R. Neurochemical and behavioural indices of exercise reward are independent of exercise controllability. European Journal of NeuroscienceVolume 43, Issue 9, pages 1190–1202, May 2016
Shannon J. Clough, Anthony J. Hutchinson, Randall L. Hudson,Genetic deletion of the MT1 or MT2 melatonin receptors abrogates methamphetamine-induced reward in C3H/HeNmice.Physiology& BehaviorVolume 132, 10 June 2014, Pages 79–86