Puwarawuttpanit W, Ebadi M, Govitrapong P, Phansuwan P. Immunohistochemical localization of opioid receptors in bovine pineal gland. J Med Health Sci [Internet]. 2008 Sep. 23 [cited 2024 May 19];8(1). Available from: https://he01.tci-thaijo.org/index.php/jmhs/article/view/61632