Locomotor activity: A distinctive index in morphine self-administration in rats

• Jian-Jun Zhang ,

  * E-mail: zhangjj@psych.ac.cn

  Affiliations CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China, Department of Psychology, University of Chinese Academy of Sciences, Beijing, China, Laboratory of Neurobiology and the National Laboratory of Biomembrane and Membrane Biotechnology, College of Life Sciences, Peking University, Beijing, China

  http://orcid.org/0000-0001-7526-7234

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• Qingyao Kong

  Affiliation Laboratory of Neurobiology and the National Laboratory of Biomembrane and Membrane Biotechnology, College of Life Sciences, Peking University, Beijing, China

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