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Annual treatment share for unique antiretroviral regimens prescribed as initial therapy at the University of Alabama 1917 HIV Clinic from January 1, 2003 to December 31, 2007. Several trends including the cessation of initial triple NRTI (3TC/ABC/AZT) use (2003–2004), the decreasing utilization of 3TC/AZT/EFV (2003–2006), and the rise of FTC/TDF/EFV as the preferred option at the end of 2007 can be observed.
