Schimming, B.C. and Abreu, M.A.F. de 2001. On the morphology of the ductuli efferentes in the dog (Canis familiaris, L.). Brazilian Journal of Veterinary Research and Animal Science. 38, 3 (Jan. 2001), 114–121. DOI:https://doi.org/10.1590/S1413-95962001000300003.