@article{articledf9d3686,
title   = {Functional activation of the periaqueductal gray matter during conditioned and unconditioned fear in guinea pigs confronted with the Boa constrictor constrictor snake},
author = {Paula, B. B. de and Vieira-Rasteli, E. B and Calvo, F. and Coimbra, Norberto Cysne and Leite-Panissi, Christie Ramos Andrade},
year = {2022},
doi = {10.1590/1414-431X2021e11542},
journal   = {Brazilian Journal of Medical and Biological Research}
}