Is the circadian change in hematocrit and blood viscosity a factor triggering cerebral and myocardial infarction?

@article{Kubota1987IsTC,
  title={Is the circadian change in hematocrit and blood viscosity a factor triggering cerebral and myocardial infarction?},
  author={Koichi Kubota and Takanobu Sakurai and Jun'ichi Tamura and Takuo Shirakura},
  journal={Stroke},
  year={1987},
  volume={18 4},
  pages={812-3}
}