Mar�n, Oscar; Smeets, Wilhelmus J.A.J.; Gonz�lez, Agust�n . (1997). Distribution of choline acetyltransferase immunoreactivity in the brain of anuran (Rana perezi,Xenopus laevis) and urodele (Pleurodeles waltl) amphibians. The Journal of Comparative Neurology, 382(4), 499–534.
doi:10.1002/(sici)1096-9861(19970616)382:4<499::aid-cne6>3.0.co;2-y
