title: [Long-term use of paired electric stimulation of the heart].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000628:therapy*; D005260:Female; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000601:surgery*; D010138:Pacemaker, Artificial; D011183:Postoperative Complications; D012214:Rheumatic Heart Disease / Q000601:surgery*
vernacular_title: Dlitel'noe primenenie parnoĭ élektrostimuliatsii serdtsa.