Immature reticulocyte fraction (IRF) monitored in elite athletes during a whole season.

@article{Banfi2005ImmatureRF,
  title={Immature reticulocyte fraction (IRF) monitored in elite athletes during a whole season.},
  author={Giuseppe Banfi and Alberto Dolci and Marco Freschi and C Verdini},
  journal={Clinical and laboratory haematology},
  year={2005},
  volume={27 3},
  pages={213-4}
}