title: [Clinical study of cardiac arrhythmia during hemodialysis. The first report: a case of calcium involvement in occurrence of ventricular premature beats].
mesh_terms: D002118:Calcium / Q000097:blood*; D005117:Cardiac Complexes, Premature / Q000097:blood / Q000209:etiology*; D004573:Electrolytes / Q000097:blood; D006801:Humans; D007676:Kidney Failure, Chronic / Q000628:therapy; D008297:Male; D008875:Middle Aged; D006435:Renal Dialysis / Q000009:adverse effects*
chemical_list: D004573:Electrolytes; D002118:Calcium