Streinu-Cercel A, de Gorgolas M, Müller M, Portilla J, Rugina S, Böcher W, Staszewski S, Pulik P, Rowell L, Salgo M, Stoll M. Switching from a toxicity-causing antiretroviral to enfuvirtide in patients with HIV: the SWITCH TOX study. HIV Clin Trials. 2008 Nov;9(6):375–86. doi: 10.1310/hct0906-375. PMID: 19203903.