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Mead GE, Graham C, Billot L, Näsman P, Lundström E, Lewis S, Hankey GJ, Hackett ML, Forbes J, Dennis M; FOCUS, AFFINITY and EFFECTS trialists.Mead GE, et al.Trials. 2020 Nov 25;21(1):971. doi: 10.1186/s13063-020-04875-1.Trials. 2020.PMID: 33239053Free PMC article.