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Youssef M, Zani B, Olaiya O, Soliman M, Mbuagbaw L.Youssef M, et al.BMJ Open. 2021 Oct 25;11(10):e039462. doi: 10.1136/bmjopen-2020-039462.BMJ Open. 2021.PMID: 34697107Free PMC article.Review.
Stukalin I, Olaiya OR, Naik V, Wiebe E, Kekewich M, Kelly M, Wilding L, Halko R, Oczkowski S.Stukalin I, et al. Among authors: olaiya or.CMAJ Open. 2022 Jan 18;10(1):E19-E26. doi: 10.9778/cmajo.20200268. Print 2022 Jan-Mar.CMAJ Open. 2022.PMID: 35042691Free PMC article.