Hentschel, H. & Nearing, J. & Harris, H.W. & Betka, M. & Baum, M. & Hebert, S.C. & Elger, M. (2003)
Localization of Mg2+-sensing shark kidney calcium receptor SKCaR in kidney of spiny dogfish, Squalus acanthias. American Journal of Physiology. Renal Physiology, 285(3), 430–439
DOI: 10.1152/ajprenal.00056.2003
Betka, M. & Callard, G.V. (1999)
Stage-dependent accumulation of cadmium and induction of metallothionein-like binding activity in the testis of the Dogfish shark, Squalus acanthias. Biology of Reproduction, 60(1), 14–22
DOI: 10.1095/​biolreprod60.1.14
Callard, G.V. & McClusky, L.M. & Betka, M. (1998)
Apoptosis as a normal mechanism of growth control and target of toxicant actions during spermatogenesis: Insights using the Shark Testis Model. In New Developments in Marine Biotechnology. Y. Le Gal and H.O Halvorson(eds.), Plenum Press, New York. pp. 125–128
McClusky, L.M. & Betka, M. & Miller, D. & Callard, G.V. (1996)
Analysis of the apoptotic form of programmed cell death (PCD) during spermatogenesis in spiny dogfish (Squalus acanthias). Bulletin of the Mount Desert Island Biological Laboratory, 35, 96–97