Angela R. Bazzi, Alexis M. Roth, Christopher F. Akiba, Shelby L. Huffaker, Sheila V. Patel, Jessica Smith, Rose Laurano, Stephen Orme, Gary A. Zarkin, Antonio Morgan-Lopez, Barrot H. Lambdin. "A systems analysis and improvement approach to optimizing syringe services programs’ delivery of HIV testing and referrals: Study protocol for a parallel-group randomized controlled trial (SAIA-SSP-HIV)." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0319340