Conlon, J.M. & Andrews, P.C. & Falkmer, S. & Thima, L. (1988)
Isolation and structural characterization of insulin from the holocephalan fish, Chimaera monstrosa (rabbit fish). General and Comparative Endocrinology, 72(1), 154–160
DOI: 10.1016/0016-6480(88)90191-8

Reinecke, M. & Betzler, D. & Forssmann, W.G. & Thorndyke, M. & Askensten, U. & Falkmer, S. (1987)
Electronmicroscopical, immunohistochemical, immunocytochemical and biological evidence for the occurrence of cardiac hormones (ANP/CDD) in chondrichthyes. Histochemistry, 87(6), 531–538
DOI: 10.1007/BF00492467

Conlon, J.M. & Dafgård, E. & Falkmer, S. & Thim, L. (1987)
A glucagon-like peptide, structurally related to mammalian oxyntomodulin, from the pancreas of a holocephalan fish, Hydrolagus colliei. Biochemical Journal, 245(3), 851–855

Conlon, J.M. & Dafgard, E. & Falkmer, S. & Thim, L. (1986)
The primary structure of ratfish insulin reveals an unusual mode of proinsulin processing. FEBS Letters, 208(2), 445–450
DOI: 10.1016/0014-5793(86)81066-3

Bajaj, M. & Blundell, T.L. & Pitts, J.E. & Wood, S.P. & Tatnell, M.A. & Falkmer, S. & Emdin, S.O. & Gowan, L.K. & Crow, H. & Schwabe, C. & Wollmer, A. & Strassburger, W. (1983)
Dogfish insulin. Primary structure, conformation and biological properties of an elasmobranchial insulin. European Journal of Biochemistry / FEBS, 135(3), 535–542
DOI: 10.1111/j.1432-1033.1983.tb07685.x