Hung C.-F.Chang W.-L.Liang H.-C.MING-JAI SU2021-05-312021-05-3120007673981https://scholars.lib.ntu.edu.tw/handle/123456789/564030Identification of opioid receptors in the sympathetic and parasympathetic nerves of guinea-pig atriajournal article10.1111/j.1472-8206.2000.tb00420.x110304462-s2.0-0033812067