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Ritchie PD, Milkins R, Fleming EL, Nott D.Ritchie PD, et al.Aust N Z J Surg. 1987 Sep;57(9):621-5. doi: 10.1111/j.1445-2197.1987.tb01437.x.Aust N Z J Surg. 1987.PMID: 3689250
Ritchie PD, Cameron PA.Ritchie PD, et al.Aust N Z J Surg. 1999 Mar;69(3):183-6. doi: 10.1046/j.1440-1622.1999.01519.x.Aust N Z J Surg. 1999.PMID: 10075356
Ritchie PD, Jenkins M, Cameron PA.Ritchie PD, et al.Aust N Z J Med. 2000 Oct;30(5):585-92. doi: 10.1111/j.1445-5994.2000.tb00860.x.Aust N Z J Med. 2000.PMID: 11108069Clinical Trial.
Peek GJ, Mugford M, Tiruvoipati R, Wilson A, Allen E, Thalanany MM, Hibbert CL, Truesdale A, Clemens F, Cooper N, Firmin RK, Elbourne D; CESAR trial collaboration.Peek GJ, et al.Lancet. 2009 Oct 17;374(9698):1351-63. doi: 10.1016/S0140-6736(09)61069-2. Epub 2009 Sep 15.Lancet. 2009.PMID: 19762075Clinical Trial.
Bernard SA, Bray JE, Smith K, Stephenson M, Finn J, Grantham H, Hein C, Masters S, Stub D, Perkins GD, Dodge N, Martin C, Hopkins S, Cameron P; EXACT Investigators.Bernard SA, et al.JAMA. 2022 Nov 8;328(18):1818-1826. doi: 10.1001/jama.2022.17701.JAMA. 2022.PMID: 36286192Free PMC article.