Modulation of the major histocompatibility complex class II-associated peptide repertoire by human histocompatibility leukocyte antigen (HLA)-DO. by van Ham, M, van Lith, M, Lillemeier, B, Tjin, E, Grüneberg, U, Rahman, D, Pastoors, L, van Meijgaarden, K, Roucard, C, Trowsdale, J, Ottenhoff, T, Pappin, D, Neefjes, J