Quantification of influenza virus hemagglutinins in complex mixtures using isotope dilution tandem mass spectrometry.
Williams TL, Luna L, Guo Z, Cox NJ, Pirkle JL, Donis RO, Barr JR. Quantification of influenza virus hemagglutinins in complex mixtures using isotope dilution tandem mass spectrometry. Vaccine. 2008 May 12; 26(20):2510-20.