title: Transvenous pacing: I. Experience with the flexon steel wire electrode.
mesh_terms: D004562:Electrocardiography; D004566:Electrodes; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006327:Heart Block / Q000628:therapy; D006801:Humans; D010138:Pacemaker, Artificial; D013232:Steel
chemical_list: D013232:Steel