Crespo, S. (1982)
Surface morphology of dogfish (Scyliorhinus canicula) gill epithelium, and surface morphological changes following treatment with zinc sulphate: A scanning electron microscope study. Marine Biology, 67(2), 159–166
DOI: 10.1007/BF00401281
Crespo, S. & Soriano, E. & Sampera, C. & Balasch, J. (1981)
Zinc and copper distribution in excretory organs of the dogfish Scyliorhinus canicula and chloride cell response following treatment with zinc sulphate. Marine Biology, 65(2), 117–123
DOI: 10.1007/BF00397075
Crespo, S. & Flos, R. & Balasch, J. & Alonso, G. (1979)
Zinc in the gills of the dogfish (Scyliorhinus canicula L.) related to experimental aquatic zinc pollution. Comparative Biochemistry and Physiology – Part C, Comparative Pharmacology, 63(2), 261–266
DOI: 10.1016/0306-4492(79)90071-6