Acute and sub-acute toxicity of ethanol extracts of Hagenia abyssinica and Rumex abyssinicus flowers in Swiss albino mice - Hirut Basha Gemeda; Asfaw Debella; Milkyas Endale; Abiy Abebe; Meharu Mathewos; Wossene Habtu; Dinkenesh Chalchisa; Betelhem Getachew; Menal Hassen; Hassen Mamo (PLoS ONE, 2025)