Bonetti TC de S, Latini FRM, Invitti AL, Fonseca MCM, Scorza FA, Saldanha MG, et al. Antibody indexes in COVID-19 convalescent plasma donors: Unanswered questions. Clinics [Internet]. 2021 Aug. 27 [cited 2024 Jul. 28];76:e2818. Available from: https://revistas.usp.br/clinics/article/view/212609