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Spina A, Chow JCL.Spina A, et al. Among authors: chow jcl.Materials (Basel). 2022 Oct 15;15(20):7194. doi: 10.3390/ma15207194.Materials (Basel). 2022.PMID: 36295262Free PMC article.
Chow JC, Grigorov GN.Chow JC, et al.Phys Med Biol. 2007 Jan 7;52(1):N1-11. doi: 10.1088/0031-9155/52/1/N01. Epub 2006 Dec 18.Phys Med Biol. 2007.PMID: 17183121