title: Correlation between affinity and efficacy.
authors.forename: Piet
authors.initials: P
authors.lastname: van der Graaf
mesh_terms: D000818:Animals; D008024:Ligands; D008638:Mesenteric Arteries / Q000187:drug effects / Q000378:metabolism*; D009638:Norepinephrine / Q000378:metabolism; D004364:Pharmaceutical Preparations / Q000378:metabolism*; D051381:Rats
chemical_list: D008024:Ligands; D004364:Pharmaceutical Preparations; D009638:Norepinephrine