@article{tuncer_gunes_guntekin_gumrukcuoglu_eryonucu_guler_dilek_demir_2009,  title={Variabilidade da frequência cardíaca em pacientes com anemia ferropriva},  volume={92},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X2009000500011},  DOI={10.1590/S0066-782X2009000500011},  number={5},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Tuncer, Mustafa and Gunes, Yilmaz and Guntekin, Unal and Gumrukcuoglu, Hasan Ali and Eryonucu, Beyhan and Guler, Niyazi and Dilek, Imdat and Demir, Cengiz},  year={2009},  month={May},  pages={400–403} }