Employed SD-GFP-TH rats (Iacovitti et al 2014 PMID 25462571) from Taconic that express GFP under TH promoter with especially good expression in VTA. | Employed SD-GFP-TH rats (Iacovitti et al 2014 PMID 25462571) from Taconic that express GFP under TH promoter with especially good expression in VTA. |