de Ruiter A, Mercey D, Anderson J, Chakraborty R, Clayden P, Foster G, Gilling-Smith C, Hawkins D, Low-Beer N, Lyall H, O'Shea S, Penn Z, Short J, Smith R, Sonecha S, Tookey P, Wood C, Taylor G
Guy's & St Thomas' NHS Foundation Trust, London, UK.
HIV Med. 2008 Aug;9(7):452-502. doi: 10.1111/j.1468-1293.2008.00619.x.