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Barer G, Emery C, Stewart A, Bee D, Howard P.Barer G, et al. Among authors: stewart a.J Physiol. 1993 Apr;463:1-16. doi: 10.1113/jphysiol.1993.sp019581.J Physiol. 1993.PMID: 8246176Free PMC article.
Bardsley PA, Johnson BF, Stewart AG, Barer GR.Bardsley PA, et al. Among authors: stewart ag.Biomed Biochim Acta. 1991;50(2):175-82.Biomed Biochim Acta. 1991.PMID: 1877978
Stewart AG, Marsh F, Waterhouse JC, Howard P.Stewart AG, et al.Eur Respir J. 1994 Jun;7(6):1090-5.Eur Respir J. 1994.PMID: 7925878Free article.Clinical Trial.