title: Thousands of blood pressure and heart rate measurements at fixed clock hours may mislead.
abstract: The diagnoses of summer or winter hypertension in one and the same person can depend upon the clock hour of measurement.
authors.affiliation: Department of Medicine I, Division of Neurocardiology, Tokyo Women's Medical University, Tokyo, Japan.
authors.forename: Yoshihiko
authors.initials: Y
authors.lastname: Watanabe
authors.forename: Germaine
authors.initials: G
authors.lastname: Cornélissen
authors.forename: Franz
authors.initials: F
authors.lastname: Halberg
mesh_terms: D001794:Blood Pressure; D018660:Blood Pressure Monitoring, Ambulatory / Q000592:standards*; D002940:Circadian Rhythm; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000175:diagnosis*; D012621:Seasons