WOW/NICE BRO! Think Spotlight Innovation and Butantan Institude-Look it up later bro! http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0002862#pntd.0002862-Saravia1 https://www.ncbi.nlm.nih.gov/pubmed?cmd=Search&doptcmdl=Citation&defaultField=Title%20Word&term=Saravia%5Bauthor%5D%20AND%20Geographic%20and%20ontogenic%20variability%20in%20the%20venom%20of%20the%20neotropical%20rattlesnake%20Crotalus%20durissus%3A%20pathophysiological%20and%20therapeutic%20implications