HIV-1 drug resistance and second-line treatment in children randomized to switch at low versus higher RNA thresholds - Harrison, Linda; Melvin, Ann; Fiscus, Susan; Saidi, Yacine; Nastouli, Eleni; Harper, Linda; Compagnucci, Alexandra; Babiker, Abdel; McKinney, Ross; Gibb, Diana; Tudor-Williams, Gareth; Mussi-Pinhata, Marisa Márcia; et al. (JAIDS : Journal of Acquired Immune Deficiency Syndromes, 2015)