@article{Guzik:2010,
  author  = "P. Guzik and J. Piskorski and T. Krauze and K. Narkiewicz and A. Wykrętowicz and H. Wysocki",
  title   = "Asymmetric features of short-term blood pressure variability",
  journal = "Hypertension Research",
  volume  = "Vol. 33",
  number  = "no 11",
  pages   = "1199--1205",
  year    = "2010",
}