title: An isolated guinea-pig working heart: preliminary studies with histamine and noradrenaline [proceedings].
mesh_terms: D000818:Animals; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006632:Histamine / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D009638:Norepinephrine / Q000494:pharmacology*; D010600:Pharmacology / Q000379:methods
chemical_list: D006632:Histamine; D009638:Norepinephrine