Pavanato, M. A., Baldisserotto, B., Rakoski, R. J. and Mimura, O. M. (1996) “Transepithelial potential difference of the intestine and gallbladder of Hoplias malabaricus, a freshwater teleost. effect of urotensins I and II”, Ciência e Natura, 18(18), pp. 83–92. doi: 10.5902/2179460X26607.