Lehulu Tilahun. (2020). Prevalence of Asthma and Associated Factors at Zewditu Memmorial Hospital Emergency Department, Addis Ababa, 2017g.c. International Journal of Allied Medical Sciences and Clinical Research, 8(2), 281–286. https://doi.org/10.61096/ijamscr.v8.iss2.2020.281-286