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Smitt MC, Li SD, Shostak CA, Chang W, Boyer AL.Smitt MC, et al. Among authors: li sd.Radiology. 1997 Jun;203(3):871-6. doi: 10.1148/radiology.203.3.9169719.Radiology. 1997.PMID: 9169719
Lu Y, Li S, Spelbring D, Song P, Vijayakumar S, Pelizzari C, Chen GT.Lu Y, et al.Med Phys. 1995 Mar;22(3):279-84. doi: 10.1118/1.597451.Med Phys. 1995.PMID: 7596316
Li S, Frassica D, DeWeese T, Lee DJ, Geng J, Nag S.Li S, et al.Brachytherapy. 2003;2(1):5-16. doi: 10.1016/S1538-4721(03)00006-0.Brachytherapy. 2003.PMID: 15062158
Li S, Liu Y, Chen Q, Jin J.Li S, et al.Med Dosim. 2009 Winter;34(4):285-92. doi: 10.1016/j.meddos.2008.11.006. Epub 2009 Jan 14.Med Dosim. 2009.PMID: 19854387