Comparison of nitrite/nitrate concentration in human plasma and serum samples measured by the enzymatic batch Griess assay, ion-pairing HPLC and ion-trap GC–MS: The importance of a correct removal of proteins in the Griess assay

Federica Romitelli, Stefano Angelo Santini, Eleonora Chierici, Dario Pitocco, Barbara Tavazzi, Angela Maria Amorini, Giuseppe Lazzarino, Enrico Di Stasio

Journal of Chromatography B · 2007 · 127 citations · 27 references

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