RT Journal Article SR Electronic T1 A Careful Neurologic Examination Should Precede Neuroimaging Studies in HIV-Infected Patients with Headache JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 441 OP 442 VO 21 IS 3 A1 Joseph R Berger A1 Avindra Nath YR 2000 UL http://www.ajnr.org/content/21/3/441.abstract AB