Vascular Medicine (London, England) Kollias, A, Kyriakoulis, K G, Lagou, S, Kontopantelis, E, Stergiou, G S & Syrigos, K 2021, ' Venous thromboembolism in COVID-19 : A systematic review and meta-analysis ', Vascular medicine (London, England), vol. 26, no. 4, pp. 415-425 . https://doi.org/10.1177/1358863X21995566