Magnitude of substance use and associated factors among Wallaga University undergraduate students, Western Ethiopia, 2024 - Firezer Belay, Keno; Golja, Eba Abdissa; Desisa, Adisu Ewunetu; Gobena, Gelane Gurmu; Bulbula, Desalegn Biru; Moti, Lalisa Mekonnen; Dibbisa, Keneni Efrem; Fikadu, Worku; Fetensa, Getahun (Frontiers in Public Health, 2025)