- Accumulation of lopinavir resistance-associated mutations over 3 years follow-up of patients on highly active antiretroviral therapy: implication in salvage therapy. Tsuchiya, K., Matsuoka, S., Hachiya, A., Yasuoka, A., Tachikawa, N., Kikuchi, Y., Genka, I., Teruya, K., Kimura, S., Oka, S. AIDS (2001)