title: On the antagonism between pressor and depressor agents in the frog's heart.
authors.forename: O
authors.initials: O
authors.lastname: LOEWI
mesh_terms: D006321:Heart / Q000187:drug effects*; D014662:Vasoconstrictor Agents
chemical_list: D014662:Vasoconstrictor Agents
keywords: HEART/effects of drugs on