Bonatelli, M., Machado, M. R. F., Cruz, C., & Miglino, M. A. (2001). Morphological analysis of the placenta of paca (Agouti paca L., 1766): Study with light microscopy and transmission electron microscopy. Brazilian Journal of Veterinary Research and Animal Science, 38(5), 224-228. https://doi.org/10.1590/S1413-95962001000500005