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Authors
Mamaev, M. S.
Rozhnov, V. V.
Litovka, D. I.
Burdin, A. M.
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Article History
Received: 16 August 2024
Revised: 1 October 2025
Accepted: 11 December 2025
First Online: 16 April 2026
ETHICS APPROVAL AND CONSENT TO PARTICIPATE
: No experiments involving animals were conducted. Gray whale biopsy sampling was carried out in accordance with permits issued by Rosprirodnadzor for the collection of animal species listed in the Red Data Book of the Russian Federation (Permits nos. 102, 56, 131, 69, 186, and 53).
: The authors of this work declare that they have no conflicts of interest.
