Ex vivo restimulation of human PBMC expands a CD3+CD4-CD8- γδ+ T cell population that can confound the evaluation of CD4 and CD8 T cell responses to vaccination. - Sedgmen BJ; Papalia L; Wang L; Dyson AR; McCallum HA; Simson CM; Pearse MJ; Maraskovsky E; Hung D; Eomois PP; Hartel G; Barnden MJ; et al. (Clinical & developmental immunology, 2013)