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Barton CA, Sulaiman ND, Clarke DM, Abramson MJ.Barton CA, et al. Among authors: clarke dm.Prim Care Respir J. 2005 Jun;14(3):143-6. doi: 10.1016/j.pcrj.2004.10.006.Prim Care Respir J. 2005.PMID: 16701713Free PMC article.
Clarke DM, Russell PA, Polglase AL, McKenzie DP.Clarke DM, et al.Aust N Z J Surg. 1997 Feb-Mar;67(2-3):115-8. doi: 10.1111/j.1445-2197.1997.tb01914.x.Aust N Z J Surg. 1997.PMID: 9068552