Lin K, Taylor MJ, Heaton R, Franklin D, Jernigan T, Fennema-Notestine C, McCutchan A, Atkinson JH, Ellis RJ, McArthur J, Morgello S, Simpson D, Collier AC, Marra C, Gelman B, Clifford D, Grant I. Effects of traumatic brain injury on cognitive functioning and cerebral metabolites in HIV-infected individuals. J Clin Exp Neuropsychol. 2011 Mar; 33(3):326-34.