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Lluch-Girbés E, Dueñas L, Mena-Del Horno S, Luque-Suarez A, Navarro-Ledesma S, Louw A.Lluch-Girbés E, et al.Trials. 2019 Aug 13;20(1):498. doi: 10.1186/s13063-019-3585-z.Trials. 2019.PMID: 31409380Free PMC article.