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Hasani A, Pavia D, Spiteri MA, Yeo CT, Agnew JE, Clarke SW, Chung KF.Hasani A, et al. Among authors: spiteri ma.Eur Respir J. 1994 Aug;7(8):1497-500. doi: 10.1183/09031936.94.07081497.Eur Respir J. 1994.PMID: 7957836Free article.Clinical Trial.
Hasani A, Spiteri M, Pavia D, Agnew JE, Clarke SW.Hasani A, et al.Chest. 1992 Jun;101(6):1614-8. doi: 10.1378/chest.101.6.1614.Chest. 1992.PMID: 1600782