Bucindolol, a nonselective beta 1- and beta 2-adrenergic receptor antagonist, decreases beta-adrenergic receptor density in cultured embryonic chick cardiac myocyte membranes.
Asano K, Zisman LS, Yoshikawa T, Headley V, Bristow MR, Port JD. Bucindolol, a nonselective beta 1- and beta 2-adrenergic receptor antagonist, decreases beta-adrenergic receptor density in cultured embryonic chick cardiac myocyte membranes. J Cardiovasc Pharmacol. 2001 Jun; 37(6):678-91.