Low level of efavirenz in HIV-1-infected Thai adults is associated with the CYP2B6 polymorphism. - Sukasem, C.; Manosuthi, W.; Koomdee, N.; Santon, S.; Jantararoungtong, T.; Prommas, S.; Chamnanphol, M.; Puangpetch, A.; Sungkanuparph, S. (Infection, 2014)