TY - RPRT TI - Ethanol consumption patterns and conditioned place preference in mice lacking preproenkephalin. AU - Heather N Koenig AU - M Foster Olive PY - 2002 DO - 10.1016/s0304-3940(02)00242-2 UR - https://pubmed.ncbi.nlm.nih.gov/12044625/ ID - 12044625 ER -