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Otis M, Barber S, Green Hofer S, Straus J, Kay M, Hargreaves DS, Hayhoe B, Anokye N, Lennox L, Nicholls D.Otis M, et al. Among authors: barber s.BMJ Open. 2023 Jan 20;13(1):e067074. doi: 10.1136/bmjopen-2022-067074.BMJ Open. 2023.PMID: 36669846Free PMC article.
Fofaria RK, Barber S, Adeleke Y, Woodcock T, Kamperidis N, Mohamed A, Misra R, Shah A, Bailey-Fee S, Bluston H, Robinson D, Tyrrell T, Arebi N.Fofaria RK, et al. Among authors: barber s.BMJ Open Qual. 2019 Aug 1;8(3):e000546. doi: 10.1136/bmjoq-2018-000546. eCollection 2019.BMJ Open Qual. 2019.PMID: 31428704Free PMC article.