title: Reliability and normal variations of computer analysis of Frank electrocardiogram by Smith-Hyde program (1968 version).
mesh_terms: D000328:Adult; D000367:Age Factors; D003201:Computers; D003936:Diagnosis, Computer-Assisted; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006761:Hospitals; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic; D012737:Sex Factors