Piomelli, D. & Tota, B. (1983)
Different distribution of serotonin in an elasmobranch (Scyliorhinus stellaris) and in a teleost (Conger conger) fish.
Comparative Biochemistry and Physiology – Part C, Comparative Pharmacology, 74(1), 139–142 DOI: 10.1016/0742-8413(83)90165-2