Elumalai, Kupppusamy, et al. “Toxicity of Saponin Isolated from Gymnema Sylvestre R. Br. (Asclepiadaceae) Against Culex Tritaeniorhynchus Giles (Diptera: Culicidae) Japanese Encephalitis Vector Mosquito in India”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 54, no. 6, Dec. 2012, pp. 337-44, https://revistas.usp.br/rimtsp/article/view/48428.