RT Journal Article SR Electronic T1 Maximising the global use of HIV surveillance data through the development and sharing of analytical tools JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP i1 OP i4 DO 10.1136/sti.2004.010280 VO 80 IS suppl 1 A1 G P Garnett A1 N C Grassly A1 J T Boerma A1 P D Ghys YR 2004 UL http://sti.bmj.com/content/80/suppl_1/i1.abstract AB