title: In reply; Heart rate recovery and physical fitness.
authors.affiliation: Department of Cardiology, Erciyes University, Faculty of Medicine, Kayseri, Turkey. Electronic address: drmgkaya@yahoo.com.
authors.forename: Mehmet G
authors.initials: MG
authors.lastname: Kaya
authors.affiliation: Division of Rheumatology, Department of PMR, Erciyes University, Faculty of Medicine, Kayseri, Turkey.
authors.forename: Salih
authors.initials: S
authors.lastname: Ozgocmen
mesh_terms: D015444:Exercise / Q000502:physiology*; D005080:Exercise Test / Q000379:methods*; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D020127:Recovery of Function / Q000502:physiology*; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D014463:Ultrasonography
keywords: Ankylosing spondylitis; Autonomic nervous system; Exercise test; Heart rate recovery index; Sudden cardiac death