title: [Syndrome of weakness of the sinoatrial node in children].
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006327:Heart Block; D006801:Humans; D008297:Male; D012848:Sinoatrial Block / Q000175:diagnosis / Q000209:etiology; D012849:Sinoatrial Node / Q000503:physiopathology*; D013577:Syndrome
vernacular_title: Sindrom slabosti sinusovogo uzla u deteĭ.