University of Minnesota. Department of PsychiatryHenningfield, Jack E.Kliner, Dale J.Meisch, Richard A.2013-06-242013-06-241981-11-20https://hdl.handle.net/11299/151641en-USPentobarbital Drinking by Rhesus Monkeys: Establishment and Maintenance of Pentobarbital-Reinforced BehaviorWorking Paper