Gebregeorgise, D.T., Bilal, A.I., Habte, B.M., Tilahun, Z., Fenta, T.G. and Yeshak, M.Y. 2019. Concomitant use of medicinal plants and conventional medicines among hypertensive patients in five hospitals in Ethiopia. The Ethiopian Journal of Health Development . 33, 4 (Oct. 2019).