@article{articlea7b43ae6, title = {Classical tone-shock conditioning induces zenk expression in the pigeon (Columba livia) hippocampus}, author = {Brito, Ivana and Britto, Luiz Roberto Giorgetti de}, year = {2006}, doi = {10.1037/0735-7044.120.2.353}, journal = {Behavioral Neuroscience} }