Updating electrocardiography standards.
Gettes
Leonard S
LS
D003936:Diagnosis, Computer-Assisted / Q000592:standards* / Q000639:trends*; D004562:Electrocardiography / Q000592:standards* / Q000639:trends*; D017410:Practice Guidelines as Topic / Q000592:standards*; D010818:Practice Patterns, Physicians' / Q000592:standards* / Q000639:trends*; D014481:United States