@article{articlec630b919, title = {Role of homocysteic acid in the guinea pig (Cavia porcellus) anterior cingulate cortex in tonic immobility and the influence of NMDA receptors on the dorsal PAG}, author = {Coutinho, Márcio Ramos and Menescal-de-Oliveira, Leda}, year = {2010}, doi = {10.1016/j.bbr.2009.11.047}, journal = {Behavioural Brain Research} }