title: [Transvenous pacemaker implantations for sick sinus syndrome (2 cases) complicating with persistent left superior vena cava (author's transl)].
mesh_terms: D000368:Aged; D002304:Cardiac Pacing, Artificial / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000150:complications / Q000628:therapy*; D014683:Vena Cava, Superior / Q000002:abnormalities*