Machado e Silva, José Roberto, et al. “ Comparative Study on the Localization of Adult Schistosoma Mansoni Worms in Albino Mice Anesthetized With Pentobarbital Sodium, Ether or Chlorophorm ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 35, no. 4, Aug. 1993, pp. 323-6, https://revistas.usp.br/rimtsp/article/view/29052.