TAKALO REIJO 553,786 Variability of blood pressure and hearth rate in borderline and mild hypertension : with special reference to spectral analysis / by Reijo Takalo ; [Uppsala University]. - Uppsala : Acta Universitatis Upsaliensis, 1999. - 50 s. ; 25 cm. - (Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 854) Doctoral dissertations- Bibliogr. s. 38-50 ISBN 91-554-4508-X