Efficacy and safety of convalescent plasma therapy in patients with moderate-to-severe COVID-19: A non-randomized comparative study with historical control in a referral hospital i... oleh Johan Kurnianda, Mardiah S. Hardianti, Teguh Triyono, Jarir A. Thobari, Ika Trisnawati, Calcarina F.R. Wisudarti, Usi Sukorini, Fuad Anshori, Syahru A. Setiawan, Meita Ucche, Abrid Farahnaz, Yana Suryani