Gottfried, H. & Chieffi, G. (1967)
The seminal steroids of the dogfish Scylliorhinus stellaris.
Journal of Endocrinology, 37(1), 99–100 DOI: 10.1677/joe.0.0370099
Simpson, T.H. & Wright, R.S. & Gottfried, H. (1963)
Steroids in the semen of dogfish (Squalus acanthias).
Journal of Endocrinology, 26(4), 489–498 DOI: 10.1677/joe.0.0260489