Prevalence of thrombosis in patients with cancer and SARS-CoV-2 infection Berta Obispo; Jacobo Rogado; Nuria Muñoz-Rivas; Cristina Pangua; Gloria Serrano; Miguel Angel Lara;

Reduced retinal vessel density in COVID-19 patients and elevated D-dimer levels during the acute phase of the infection Noemi Guemes-Villahoz; Barbara Burgos-Blasco; Beatriz Vidal-Villegas; Juan Donate-López; Francisco Javier Martín-Sánchez; Jesús Porta-Etessam; Lorenzo López-Guajardo; José Luis R. Martín; Juan Jorge González-Armengol; Julián García-Feijoó;