Valenzuela, N., LeClere A.R, and Shikano T. 2006. Comparative expression of steroidogenic factor 1 in Chrysemys picta and Apalone mutica turtles with environmental and genotypic sex determination. Evolution and Development 8 (5): 424-432.
LeClere A.R. and N. Valenzuela.2005. Comparative gene expression of multiple sex-determining genes in TSD and GSD turtles. Joint Meeting of the Society for the Study of Amphibians and Reptiles and the Herpetologists' League, Tampa, Florida.