Isnuwardana, Ronny, et al. «Convalescent Plasma Therapy in Severe-Critical COVID-19 Patients at North Kalimantan Regional Public Hospital: Survival Analysis». Gaceta Médica De Caracas, vol. 130, n.º 1, marzo de 2022, pp. 27-34, http://caelum.ucv.ve/ojs/index.php/rev_gmc/article/view/23587.