title: Myocardial beta-adrenergic receptor downregulation in heart failure.
mesh_terms: D006333:Heart Failure / Q000378:metabolism / Q000503:physiopathology*; D006801:Humans; D009200:Myocardial Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism*; D009638:Norepinephrine / Q000378:metabolism; D011943:Receptors, Adrenergic, beta / Q000187:drug effects / Q000502:physiology*
chemical_list: D011943:Receptors, Adrenergic, beta; D009638:Norepinephrine