TY - RPRT TI - Characterization of the decrease of extracellular striatal dopamine induced by intrastriatal morphine administration. AU - T P Piepponen AU - J A Mikkola AU - M Ruotsalainen AU - D Jonker AU - L Ahtee PY - 1999 DO - 10.1038/sj.bjp.0702542 UR - https://pubmed.ncbi.nlm.nih.gov/10369482/ ID - 10369482 ER -