title: Ventricular premature beats and sympathetic nerve activity.
authors: J S
authors: JS
authors: Floras
mesh_terms: D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D006321:Heart / Q000294:innervation*; D006801:Humans; D013564:Sympathetic Nervous System / Q000503:physiopathology*