[An attempt to detect Trypanosoma cruzi in the peripheral blood of patients with Chagas' disease, in chronic phase, using quantitative buffy coat (QBC)].

@article{Neto1998AnAT,
  title={[An attempt to detect Trypanosoma cruzi in the peripheral blood of patients with Chagas' disease, in chronic phase, using quantitative buffy coat (QBC)].},
  author={Vicente Amato Neto and Marta Heloisa Lopes and Cl{\'a}udia Regina De Marchi and Maria de F{\'a}tima Silva},
  journal={Revista da Sociedade Brasileira de Medicina Tropical},
  year={1998},
  volume={31 2},
  pages={
          231-3
        }
}
Taking for granted the sensitivity of the Quantitative Buffy Coat (QBC) system, as documented in a murine experimental model, we assayed to detect Trypanosoma cruzi in the peripheral blood of 100 patients with Chagas disease in its chronic phase. By means of the method, no positivity occurred, evently as a consequence of small parasitemias, undetectable by this technique as assessed by the cases in consideration. 

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