Michel, G. & Chauvet, J. & Chauvet, M.T. & Clarke, C. & Bern, H. & Acher, R. (1993)
Chemical Identification of the Mammalian Oxytocin in a Holocephalian Fish, the Ratfish (Hydrolagus colliei).
General and Comparative Endocrinology, 92(2), 260–268 DOI: 10.1006/gcen.1993.1162