TY - RPRT TI - Repeated cocaine self-administration causes multiple changes in rat frontal cortex gene expression. AU - Willard M Freeman AU - Karen Brebner AU - Kruti M Patel AU - Wendy J Lynch AU - David C S Roberts AU - Kent E Vrana PY - 2002 DO - 10.1023/a:1020929526688 UR - https://pubmed.ncbi.nlm.nih.gov/12462416/ ID - 12462416 ER -