Doyle, W.L. (1972)
Morphological correlates of fluid transport in the isolated intestine of Squalus. Comparative Biochemistry and Physiology – Part A, Physiology, 42(1), 65–70
DOI: 10.1016/0300-9629(72)90367-2
Doyle, W.L. (1962)
Tubule cells of the rectal salt-gland of Urolophus. American Journal of Anatomy, 111, 223–237