Rádis-Baptista G, Kubo T, Oguiura N, Svartman M, Almeida TM, Batistic RF, Oliveira EB, Vianna-Morgante AM, Yamane T. Structure and chromosomal localization of the gene for crotamine, a toxin from the South American rattlesnake, Crotalus durissus terrificus. Toxicon. 2003 Dec;42(7):747–52. doi: 10.1016/j.toxicon.2003.10.019. PMID: 14757205.