Perceptual link between inadequate water, sanitation, and hygiene (WASH) stressors and common mental symptoms in Ethiopian health workers: A qualitative study - Yitagesu Habtu; Abera Kumie; Medhine Selamu; Hidenori Harada; Morie Kaneko; Mirgissa Kaba; Eshetu Girma (PLoS ONE, 2025)