Silveira, D; Prieto-Garcia, JM; Boylan, F; Estrada, O; Fonseca-Bazzo, YM; Jamal, CM; Magalhaes, PO; ... Heinrich, M; + view all Silveira, D; Prieto-Garcia, JM; Boylan, F; Estrada, O; Fonseca-Bazzo, YM; Jamal, CM; Magalhaes, PO; Pereira, EO; Tomczyk, M; Heinrich, M; - view fewer (2020) COVID-19: Is There Evidence for the Use of Herbal Medicines as Adjuvant Symptomatic Therapy? Frontiers in Pharmacology , 11 , Article 581840. 10.3389/fphar.2020.581840.