Enhanced performance of aged rats in contingency degradation and instrumental extinction tasks
Behavioral Neuroscience (2014) - Comment
pubmed: 24773433  doi: 10.1037/a0035986  issn: 1939-0084  issn: 0735-7044 

Rachel D. Samson, Anu Venkatesh, Dhara H. Patel, Peter Lipa, Carol A. Barnes