title: Letter: Treatment of choice for paroxysmal supraventricular tachycardia.
mesh_terms: D006352:Heart Ventricles; D006801:Humans; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy / Q000628:therapy*; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil