Self-medication practices in Ethiopia: An umbrella review protocol - Getahun Fetensa; Eshetu Ejeta; Tariku Tesfaye Bekuma; Feyiso Bati; Edosa Amante; Jaleta Bulti; Saro Abdella; Yosef Gebreyohannes; Sabit Ababor; Abera Botore; Dabesa Gobena; Mirkuzie Woldie; et al. (PLoS ONE, 2025)