SHA, AI, and HY HAO. “Expressions and Distributions of Leucine-Enkephalin, Delta, Mu, and Kappa Opioid Receptors in Four Systems of the Octopus, Octopus Ocellatus by Comparative Immunohistochemical Method and ELISA”. Journal of the Hellenic Veterinary Medical Society 72, no. 4 (January 28, 2022): 3337–3344. Accessed April 27, 2024. https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/29371.