title: Evidence for histamine H2 receptor mediated relaxation of rabbit trachea [proceedings].
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009126:Muscle Relaxation / Q000187:drug effects*; D009130:Muscle, Smooth / Q000502:physiology*; D011817:Rabbits; D011968:Receptors, Histamine / Q000502:physiology*; D011970:Receptors, Histamine H2 / Q000502:physiology*; D014132:Trachea / Q000187:drug effects
chemical_list: D011968:Receptors, Histamine; D011970:Receptors, Histamine H2