Sasayama, Y. & Suzuki, N. & Oguro, C. & Takei, Y. & Takahashi, A. & Watanabe, T.X. & Nakajima, K. & Sakakibara, S. (1992)
Calcitonin of the stingray: comparison of the hypocalcemic activity with other calcitonins. General and Comparative Endocrinology, 86(2), 269–274
DOI: 10.1016/0016-6480(92)90110-6
Takei, Y. & Takahashi, A. & Watanabe, T.X. & Nakajima, K. & Sakakibara, S. & Sasayama, Y. & Suzuki, N. & Oguro, C. (1991)
New Calcitonin Isolated from the Ray, Dasyatis akajei. Biological Bulletin, 180(3), 485–488
DOI: 10.2307/1542349