Fry, B. G.; Casewell, N. R.; Wüster, W.; Vidal, N.; Young, B.; Jackson, T. N. (2012). "The structural and functional diversification of the Toxicofera reptile venom system". Toxicon. 60 (4): 434–448. doi:10.1016/j.toxicon.2012.02.013. PMID22446061.
Fry, B. G.; Casewell, N. R.; Wüster, W.; Vidal, N.; Young, B.; Jackson, T. N. (2012). "The structural and functional diversification of the Toxicofera reptile venom system". Toxicon. 60 (4): 434–448. doi:10.1016/j.toxicon.2012.02.013. PMID22446061.