APA

Clifford D. B., Yiannoutsos C., Glicksman M., Simpson D. M., Singer E. J., Piliero P. J., Marra C. M., Francis G. S., McArthur J. C., Tyler K. L., Tselis A. C. & Hyslop N. E. (19990423). HAART improves prognosis in HIV-associated progressive multifocal leukoencephalopathy. : Neurology.

Chicago

Clifford D B, Yiannoutsos C, Glicksman M, Simpson D M, Singer E J, Piliero P J, Marra C M, Francis G S, McArthur J C, Tyler K L, Tselis A C and Hyslop N E. 19990423. HAART improves prognosis in HIV-associated progressive multifocal leukoencephalopathy. : Neurology.

Harvard

Clifford D. B., Yiannoutsos C., Glicksman M., Simpson D. M., Singer E. J., Piliero P. J., Marra C. M., Francis G. S., McArthur J. C., Tyler K. L., Tselis A. C. and Hyslop N. E. (19990423). HAART improves prognosis in HIV-associated progressive multifocal leukoencephalopathy. : Neurology.

MLA

Clifford D B, Yiannoutsos C, Glicksman M, Simpson D M, Singer E J, Piliero P J, Marra C M, Francis G S, McArthur J C, Tyler K L, Tselis A C and Hyslop N E. HAART improves prognosis in HIV-associated progressive multifocal leukoencephalopathy. : Neurology. 19990423.