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Trujillo-Vargas CM, Schaefer L, Alam J, Pflugfelder SC, Britton RA, de Paiva CS.Trujillo-Vargas CM, et al. Among authors: schaefer l.Ocul Surf. 2020 Apr;18(2):335-344. doi: 10.1016/j.jtos.2019.10.006. Epub 2019 Oct 20.Ocul Surf. 2020.PMID: 31644955Free PMC article.Review.