Loo, T.L. & Burger, J.W. & Adamson, R.H. (1963)
Bromination of phthalein dyes by the uterus of the dogfish, Squalus acanthias.
Proceedings of the Society for Experimental Biology and Medicine, 114, 60–63
Burger, J.W. & Loo, T.L. (1959)
Bromination of phenol red by the dogfish, Squalus acanthias.
Science, 129(3351), 778–779