title: [The significance of the injection of a vasopressor agent in the diagnosis of patent ductus arteriosus].
mesh_terms: D004373:Ductus Arteriosus / Q000175:diagnosis*; D004374:Ductus Arteriosus, Patent; D007267:Injections; D013566:Sympathomimetics / Q000494:pharmacology*; D014662:Vasoconstrictor Agents
chemical_list: D013566:Sympathomimetics; D014662:Vasoconstrictor Agents
keywords: DUCTUS ARTERIOSUS/diagnosis; SYMPATHOMIMETICS/pharmacology