Direct evidence of two types of beta adrenoceptor binding site in lung tissue.
D000319:Adrenergic beta-Antagonists / Q000378:metabolism*; D000526:Alprenolol / Q000031:analogs & derivatives / Q000378:metabolism; D000818:Animals; D001667:Binding, Competitive; D008168:Lung / Q000378:metabolism*; D008566:Membranes / Q000378:metabolism; D009206:Myocardium / Q000378:metabolism; D051381:Rats; D011941:Receptors, Adrenergic / Q000378:metabolism*; D011943:Receptors, Adrenergic, beta / Q000378:metabolism*
D000319:Adrenergic beta-Antagonists; D011941:Receptors, Adrenergic; D011943:Receptors, Adrenergic, beta; D000526:Alprenolol