RT Journal Article SR Electronic T1 Second generation HIV surveillance in Pakistan: evidence for understanding the epidemic and planning a response JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP ii1 OP ii3 DO 10.1136/sextrans-2013-051297 VO 89 IS Suppl 2 A1 James F Blanchard A1 Laura H Thompson A1 Sevgi O Aral YR 2013 UL http://sti.bmj.com/content/89/Suppl_2/ii1.abstract AB