title: In vitro and in vivo down-regulation of human platelet alpha 2-adrenoceptors by clonidine.
mesh_terms: D000328:Adult; D001792:Blood Platelets / Q000187:drug effects*; D001794:Blood Pressure / Q000187:drug effects; D002462:Cell Membrane / Q000187:drug effects; D003000:Clonidine / Q000494:pharmacology*; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D066298:In Vitro Techniques; D007700:Kinetics; D008297:Male; D008875:Middle Aged; D010646:Phentolamine / Q000494:pharmacology; D011941:Receptors, Adrenergic / Q000187:drug effects*; D011942:Receptors, Adrenergic, alpha / Q000187:drug effects*
chemical_list: D011941:Receptors, Adrenergic; D011942:Receptors, Adrenergic, alpha; D003000:Clonidine; D010646:Phentolamine