Novoa-Carballal, R. & Pérez-Martín, R. & Blanco, M. & Sotelo, C.G. & Fassini, D. & Nunes, C. & Coimbra, M.A. & Silva, T.H. & Reis, R.L. & Vázquez, J.A. (2017)
By-products of Scyliorhinus canicula, Prionace glauca and Raja clavata: A valuable source of predominantly 6S sulfated chondroitin sulfate. Carbohydrate Polymers, 157, 31–37
DOI: 10.1016/j.carbpol.2016.09.050

Moura, T. & Nunes, C. & Bandarra, N. & Gordo, L.S. & Figueiredo, I. (2011)
Embryonic development and maternal-embryo relationships of the Portuguese dogfish Centroscymnus coelolepis. Marine Biology, 158(2), 401–412
DOI: 10.1007/s00227-010-1568-4