International network for comparison of HIV neutralization assays: the NeutNet report.
Fenyö EM, Heath A, Dispinseri S, Holmes H, Lusso P, Zolla-Pazner S, Donners H, Heyndrickx L, Alcami J, Bongertz V, et al. PLoS One. 2009; 4(2):e4505. Epub 2009 Feb 20.