title: Respiratory sinus arrhythmia and the vagus.
authors.forename: J M
authors.initials: JM
authors.lastname: Wardlaw
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D004285:Dogs; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D012119:Respiration; D014630:Vagus Nerve / Q000503:physiopathology*