Watanabe, I.- sei; Silva, M. C. P. da; Kronka, M. C. Sensory Nerve Endings in the Rat Cheek Mucosa: An Electron Microscopic Study. Braz. J. Vet. Res. Anim. Sci. 2002, 39 (5), 223-226. https://doi.org/10.1590/S1413-95962002000500001.