Smethells, John R.
Swalve, Natashia L.
Eberly, Lynn E.
Carroll, Marilyn E.
Funding for this research was provided by:
National Institute on Drug Abuse (DA033942)
Article History
Received: 22 July 2015
Accepted: 30 May 2016
First Online: 20 June 2016
Compliance with ethical standards
: The experimental protocol was approved by the University of Minnesota Institutional Animal Care and Use Committee and conducted in compliance with the Guide for the Care and Use of Animals.