Etayo, J.C., Montuenga, L.M., Sesma, P., Diaz de Rada, O., Rovira, J. y Villaro, A.C. 2001. Characterization of Pancreatic Endocrine Cells of the European Common Frog Rana temporaria. Revista de Medicina de la Universidad de Navarra. 45, 2 (abr. 2001), 67-67. https://doi.org/10.15581/021.6816.