Leanne C Alworth, Sonia M Hernandez, ja Stephen J Divers, Laboratory Reptile Surgery: Principles and Techniques, J Am Assoc Lab Anim Sci. 2011 January; 50(1): 11–26, Published online 2011, January, PMCID: PMC3035398, Veebiversioon (Vaadatud 27.01.2014), (inglise keeles)