TY - RPRT TI - Age-related changes in passive avoidance retention: modulation with dietary choline. AU - R T Bartus AU - R L Dean AU - J A Goas AU - A S Lippa PY - 1980 DO - 10.1126/science.7384805 UR - https://pubmed.ncbi.nlm.nih.gov/7384805/ ID - 7384805 ER -