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Lasko B, Lau CY, Saint-Pierre C, Reddington JL, Martel A, Anstey RJ.Lasko B, et al.J Int Med Res. 1998 Dec;26(6):281-91. doi: 10.1177/030006059802600602.J Int Med Res. 1998.PMID: 10399110Clinical Trial.