title: [Preliminary report of artificial pacemaker treatment of 15 cases of sick sinus syndrome].
mesh_terms: D000368:Aged; D002304:Cardiac Pacing, Artificial; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000209:etiology / Q000628:therapy*