Download PDF Short report .Open Access.Published: 15 April 2021.Pilot evaluation of an enzymatic assay for rapid measurement of antiretroviral drug concentrations . Ayokunle O. Olanrewaju 1, .Benjamin P. Sullivan 1, .Ashley R. Bardon 2, .Tiffany J. Lo 3, .Tim R. Cressey 4 , 5 , 6, .Jonathan D. Posner 1 , 7 , 8& .Paul K. Drain ? ORCID:orcid.org/0000-0002-9569-4097 2 , 9 , 10?...