Afonso, Beatriz, Leandro Nóbrega, and Ricardo Castro-Ferreira. 2023. “The Challenge Of Covid19 In The Management Of Vascular Access For Hemodialysis In An Universitary Hospital”. Portuguese Journal of Cardiac Thoracic and Vascular Surgery 30 (1). Lisbon, Portugal:37-42. https://doi.org/10.48729/pjctvs.260.