A North American multilaboratory study of CD4 counts using flow cytometric panLeukogating (PLG): a NIAID-DAIDS Immunology Quality Assessment Program Study.
Denny TN, Gelman R, Bergeron M, Landay A, Lam L, Louzao R, Mandy FF, Schmitz J, Spira T, Wilkening C, Glencross DK. A North American multilaboratory study of CD4 counts using flow cytometric panLeukogating (PLG): a NIAID-DAIDS Immunology Quality Assessment Program Study. Cytometry B Clin Cytom. 2008; 74 Suppl 1:S52-64.