Switching from tipranavir (TPV) 500/ritonavir (RTV) 200 mg to TPV 500/RTV 100 mg in treatment-experienced patients (pts) with HIV RNA <50 copies/mL. - Casado, JL; Domingo, P; Rubio, R; Antela, A; Lopez-Ruz, MA; Castro, A; Portilla, J; Ribera, E; Podzamczer, D; Oteo, JA; Galindo, J; Otero, S; et al. (Journal of the International AIDS Society, 2010)