TY - RPRT TI - Multiphasic retention deficits at periodic intervals after passive-avoidance learning. AU - F A Holloway AU - R Wansley PY - 1973 DO - 10.1126/science.180.4082.208 UR - https://pubmed.ncbi.nlm.nih.gov/4694308/ ID - 4694308 ER -