%0 Journal Article %A Karen Stanecki %A Geoff P Garnett %A Peter D Ghys %T Developments in the field of HIV estimates: methods, parameters and trends %D 2012 %R 10.1136/sextrans-2012-050885 %J Sexually Transmitted Infections %P i1-i2 %V 88 %N Suppl 2 %U https://sti.bmj.com/content/sextrans/88/Suppl_2/i1.full.pdf