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Portela-Romero M, Cinza-Sanjurjo S, Conde-Sabarís P, Lozano Díez I, Rodrígu Ez Calvo M.Portela-Romero M, et al.Semergen. 2020 Nov-Dec;46(8):538-544. doi: 10.1016/j.semerg.2020.03.008. Epub 2020 Jun 11.Semergen. 2020.PMID: 32536438Spanish.