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Al-Saidy OM, Piegorsch WW, West RW, Nitcheva DK.Al-Saidy OM, et al. Among authors: piegorsch ww.Biometrics. 2003 Dec;59(4):1056-62. doi: 10.1111/j.0006-341x.2003.00121.x.Biometrics. 2003.PMID: 14969485