Feasibiliy of Recruiting People who Inject Drugs into a Nurse-Led Model of Care Trial: The Tap Study. S. von Bibra, J.S. Doyle, P. Higgs, P. Dietze, P. Desmond, M. Stoove, E. McBryde, L. Burke, J. Lupi, M. Bryant, A.J. Thompson, M.E. Hellard. Journal of Hepatology Vol 64-2. doi: 10.1016/S0168-8278(16)01598-1
Abstract
Can be found here.