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Toop N, Gifford C, Motiei-Langroudi R, Farzadi A, Boulter D, Forghani R, Farhadi HF.Toop N, et al.J Mater Sci Mater Med. 2021 Dec 18;33(1):1. doi: 10.1007/s10856-021-06628-1.J Mater Sci Mater Med. 2021.PMID: 34921610Free PMC article.Review.
Bennett SE, Lawrence RS, Fleischmann KH, Gifford CS, Slack WV.Bennett SE, et al. Among authors: gifford cs.JAMA. 1983 Jan 28;249(4):488-91.JAMA. 1983.PMID: 6848849