Schulz, D. . “Seasonal Effects of the Monoamine Oxidase Inhibitor Deprenyl But Not the Tricyclic Antidepressant Imipramine in Rats Bred for Helplessness”. Medical Science and Discovery, vol. 3, no. 8, Aug. 2016, pp. 312-6, https://medscidiscovery.com/index.php/msd/article/view/169.