Huber, AN, et al. “Leveraging Routine Data in Impact Evaluation: Understanding Data Systems in Primary Healthcare Prior to a Matched Cluster-Randomised Evaluation of Adherence Guidelines in South Africa”. South African Medical Journal, vol. 112, no. 10, Oct. 2022, pp. 819-27, https://doi.org/10.7196/SAMJ.2022.v112i10.14909.