A population of CD4hiCD38hi T cells correlates with disease severity in patients with acute malaria by Apte, SH, Minigo, G, Groves, PL, Spargo, JC, Plebanski, M, Grigg, MJ, Kenangalem, E, Burel, JG, Loughland, JR, Flanagan, KL, Piera, KA, William, T, Price, RN, Woodberry, T, Barber, BE, Anstey, NM, Doolan, DL