Dores, R.M. & Cameron, E. & Lecaude, S. & Danielson, P.B. (2003)
Presence of the δ-MSH sequence in a proopiomelanocortin cDNA cloned from the pituitary of the galeoid shark, Heterodontus portusjacksoni.
General and Comparative Endocrinology, 133(1), 71–79 DOI: 10.1016/S0016-6480(03)00151-5