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Getacher L, Egata G, Aynalem YA, Molla A, Tesfaye A, Abebe H, Bayih WA, Habtegiorgis SD.Getacher L, et al. Among authors: bayih wa.BMJ Open. 2020 Nov 20;10(11):e040627. doi: 10.1136/bmjopen-2020-040627.BMJ Open. 2020.PMID: 33444205Free PMC article.Clinical Trial.