[An analysis of dynamic electrocardiogram in patients with sinus bradycardia and sick sinus syndrome].
Zhu
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D001919:Bradycardia / Q000503:physiopathology*; D015716:Electrocardiography, Ambulatory; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000503:physiopathology*