Jaeger, Collin P., et al. “INITIAL CHARACTERIZATION OF MAJOR HISTOCOMPATIBILITY COMPLEX (MHC) CLASS IIB EXON 2 IN AN ENDANGERED RATTLESNAKE, THE EASTERN MASSASAUGA (SISTRURUS CATENATUS)”. Journal of North American Herpetology, no. 1, July 2014, pp. 98-104, https://doi.org/10.17161/jnah.vi1.11909.