title: Cardiac pacemakers powered by biogalvanic cells.
mesh_terms: D000818:Animals; D001698:Biomedical Engineering; D004285:Dogs; D004567:Electrodes, Implanted; D008274:Magnesium; D010138:Pacemaker, Artificial / Q000295:instrumentation*; D011817:Rabbits
chemical_list: D008274:Magnesium