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Cucinotta D., Vanelli M. WHO declares COVID-19 a pandemic. Acta Biomed. 2020;91:157–160.
-
PMC
-
PubMed
Harris P.A., Taylor R., Thielke R. Research electronic data capture (REDCap)—a metadata-driven methodology and workflow process for providing translational research informatics support. J Biomed Inform. 2009;42(2):377–381.
-
PMC
-
PubMed
Harris PA, Taylor R, Minor BL, et al. The REDCap consortium: building an international community of software platform partners. J Biomed Inform. 2019; Jul;95:103208. . Epub 2019 May 9.
-
DOI
-
PMC
-
PubMed
Cheema M, Aghazadeh H, Nazarali S, et al. Keratoconjunctivitis as the initial medical presentation of the novel coronavirus disease 2019 (COVID-19). Can J Ophthalmol. 2020; Apr 2;S0008-4182(20)30305-7. . Online ahead of print.
-
DOI
-
PMC
-
PubMed
Guan W.J., Ni Z.Y., Hu Y. Clinical characteristics of coronavirus disease 2019 in China. N Engl J Med. 2020;382(18):1708–1720.
-
PMC
-
PubMed