The effect of time between venipuncture, processing and freezing on the measurement of coagulation factor levels.

@article{Engbers2012TheEO,
  title={The effect of time between venipuncture, processing and freezing on the measurement of coagulation factor levels.},
  author={Marissa J. Engbers and Mary Cushman and Frits R Rosendaal and Astrid van Hylckama Vlieg},
  journal={Journal of thrombosis and haemostasis : JTH},
  year={2012},
  volume={10 8},
  pages={1691-3}
}