title: Relation between QT and RR intervals.
authors: J S
authors: JS
authors: Sarma
authors: K
authors: K
authors: Venkataraman
authors: B N
authors: BN
authors: Singh
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged