Navigating the waves in Colombia: a cohort study of inpatient care during four COVID-19 waves David E. Rebellón-Sánchez; Tania M. Guzmán; Sarita Rodriguez; Julio Llanos-Torres; Daniela Vinueza; Eric Tafurt; Estefanía Beltrán; Álvaro Martínez; Fernando Rosso;

Six-year experience with GM test in hematological patients in a public Brazilian tertiary hospital Lucieni Oliveira Conterno; Plínio Trabasso; Mariângela Ribeiro Resende; Paula Sanches Paschoali; Leticia Bergamo Pascucci; Maria Luiza Moretti;

Pulmonary function and exercise capacity six months after hospital discharge of patients with severe COVID-19 Jessica Polese; Alessandro Demoner Ramos; Isac Ribeiro Moulaz; Larissa Sant'Ana; Bárbara Sthefany de Paula Lacerda; Cinthia Eduarda Santos Soares; Karen Evelin Monlevade Lança; Beatriz Paoli Thompson; Germano Paulo Barbosa Júnior; Isabella Izaita Polese Pinto; José Geraldo Mill;