Anal squamous intraepithelial lesions among HIV positive and HIV negative men who have sex with men in Thailand
A H Li, N Phanuphak, V V Sahasrabuddhe, S Chaithongwongwatthana, S H Vermund, C A Jenkins, B E Shepherd, N Teeratakulpisarn, J van der Lugt, A Avihingsanon, K Ruxrungtham, C Shikuma, P Phanuphak, J Ananworanich
Sexually Transmitted Infections Dec 2009, 85 (7) 503-507; DOI: 10.1136/sti.2009.036707