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Lowres N, Freedman SB, Redfern J, McLachlan A, Krass I, Bennett A, Briffa T, Bauman A, Neubeck L.Lowres N, et al.BMJ Open. 2012 Jun 25;2(3):e001355. doi: 10.1136/bmjopen-2012-001355. Print 2012.BMJ Open. 2012.PMID: 22734120Free PMC article.
Baysari MT, Duong M, Zheng WY, Nguyen A, Lo S, Ng B, Ritchie A, Le Couteur D, McLachlan A, Bennett A, Hilmer S.Baysari MT, et al.BMJ Open. 2019 Sep 27;9(9):e030950. doi: 10.1136/bmjopen-2019-030950.BMJ Open. 2019.PMID: 31562155Free PMC article.