Pozniak Anton L, Arribas Jose R
HIV/GUM Department, Chelsea and Westminster Hospital NHS Foundation Trust, London, SW10 9NH, UK.
Hospital La Paz, Madrid, Spain.
Lancet Infect Dis. 2013 Jul;13(7):561-562. doi: 10.1016/S1473-3099(13)70113-0. Epub 2013 May 7.