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Ruiz de Angulo D, Balaguer Román A, Munitiz Ruiz V, Gil Vázquez PJ, Ruiz Merino G, Ortiz Escandell MÁ, Martínez de Haro LF, Parrilla Paricio P.Ruiz de Angulo D, et al. Among authors: gil vazquez pj.Cir Esp. 2021 Jun-Jul;99(6):428-432. doi: 10.1016/j.ciresp.2020.08.003. Epub 2020 Aug 15.Cir Esp. 2021.PMID: 34629481Free PMC article.Spanish.