M. Jenda, K. Gaweł, and J. H. Kotlińska, “The role of metabotropic glutamate receptor 7 (mGluR7) in drug dependence”, Curr. Issues Pharm. Med. Sci., vol. 25, no. 2, pp. 218–223, Apr. 2012, doi: 10.12923/j.2084-980X/25.2/a.24.