“…Similar to the first caveat, especially since most of the transgenic work has involved mice, this was done due to space limitations. For excellent discussions on both of these subjects see Barkley-Levenson and Crabbe (2014), Bilbao (2013), Crabbe et al (2006), Fisch and Flint (2006), Greenberg and Crabbe (2016), Kalueff and Bergner (2010), Mayfield et al (2016), as well as Oberlin et al (2011). Third, models of withdrawal, and to some degree dependence, as well as stress and its associated medications screening received limited review.…”