title: Atrial natriuretic peptide with artificial pacemakers.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D009320:Atrial Natriuretic Factor / Q000097:blood*; D006327:Heart Block / Q000097:blood* / Q000628:therapy; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012804:Sick Sinus Syndrome / Q000097:blood* / Q000628:therapy
chemical_list: D009320:Atrial Natriuretic Factor