title: The effect of desensitization on the antagonism of the histamine response by phenoxybenzamine.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology; D006633:Histamine Antagonists; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010643:Phenoxybenzamine / Q000494:pharmacology*
chemical_list: D006633:Histamine Antagonists; D010643:Phenoxybenzamine; D006632:Histamine; D000109:Acetylcholine