Impact of herbal medicine use on HbA1c levels among type 2 diabetes mellitus patients in northwest Ethiopia. - Demsie DG; Gebrie D; Siraj EA; Kebede SY; Tafere C; Bantie AT; Balcha WF; Belachew A; Alene GM; Nigus MD; Mekonnen BA; Biadigilign TM; et al. (Scientific reports, 2026)