Optimization of dried blood spot for hepatitis B virus surface antibody quantification - Patience Motshosi; Bonolo B. Phinius; Mosimanegape Jongman; Kabo Baruti; Lynnette Bhebhe; Graceful Mulenga; Wonderful T. Choga; Sikhulile Moyo; Simani Gaseitsiwe; Motswedi Anderson (PLoS ONE, 2025)