Studies on the purification of gonadotrophin from dogfish (Scyliorhinus canicula L.) pituitary glands J. P. SUMPTER, B. K. FOLLETT and J. M. DODD Ann. Biol. anim. Bioch. Biophys., 18 4 (1978) 787-791 DOI: 10.1051/rnd:19780505