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Maddern GJ, Dennison AR.Maddern GJ, et al. Among authors: dennison ar.Aust N Z J Surg. 1992 May;62(5):397-9. doi: 10.1111/j.1445-2197.1992.tb07211.x.Aust N Z J Surg. 1992.PMID: 1575663