1. Circadian variation of blood pressure;Millar-Craig;Lancet,1978
2. Ambulatory blood pressure and heart rate variation in healthy normotensive subjects;Hornung,1986
3. Physical activity and the circadian rhythm of blood pressure;Mann;Clin Sci,1979
4. The assessment of continuous ambulatory blood pressure records;Sayers,1982
5. Statistical methods for blood pressure variability measurement;Altman,1983