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Del Mar CB, Scott AM, Glasziou PP, Hoffmann T, van Driel ML, Beller E, Phillips SM, Dartnell J.Del Mar CB, et al.Med J Aust. 2017 Nov 6;207(9):401-406. doi: 10.5694/mja17.00574.Med J Aust. 2017.PMID: 29092694Review.
Rathbone J, Albarqouni L, Bakhit M, Beller E, Byambasuren O, Hoffmann T, Scott AM, Glasziou P.Rathbone J, et al.Syst Rev. 2017 Nov 25;6(1):233. doi: 10.1186/s13643-017-0629-x.Syst Rev. 2017.PMID: 29178925Free PMC article.Review.