Parichy, D. ., Stigson, M. ., & . (1999). Genetic analysis of steel and the PG-M/versican-encoding gene AxPG as candidates for the white (d) pigmentation mutant in the salamander Ambystoma mexicanum. Development Genes and Evolution, 209(6), 349-56. https://doi.org/10.1007/s004270050263