Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren. The Discovery of XY Sex Chromosomes in a Boa and Python. Current Biology. 2017, 27 (14): 2148–2153.e4. PMID 28690112. doi:10.1016/j.cub.2017.06.010.
Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren. The Discovery of XY Sex Chromosomes in a Boa and Python. Current Biology. 2017, 27 (14): 2148–2153.e4. PMID 28690112. doi:10.1016/j.cub.2017.06.010.