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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
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New Calcitonin Isolated from the Ray, Dasyatis akajei. Biological Bulletin, 180(3), 485–488
DOI: 10.2307/1542349