The longer-term effects of access to HIV self-tests on HIV testing frequency in high-risk gay and bisexual men: follow-up data from a randomised controlled trial oleh Ye Zhang, Mph, Muhammad S Jamil, PhD, Kirsty S Smith, PhD, Tanya L Applegate, PhD, Garrett Prestage, PhD., Martin Holt, PhD, Phillip Keen, BA, Benjamin R Bavinton, PhD, Marcus Chen, PhD, Damian P Conway, PhD, Handan Wand, PhD, Anna M McNulty, MMed, Darren Russell, PhD, Matthew Vaughan, MS, Colin Batrouney, BA, Virginia Wiseman, PhD, Christopher K Fairley, PhD, Andrew E Grulich, PhD, Matthew Law, PhD, John M Kaldor, PhD, Rebecca J Guy, PhD