Eur. j. clin. microbiol. infect. dis. Eur. j. clin. microbiol. infect. dis. Antibody response in patients admitted to the hospital with suspected SARS-CoV-2 infection: results from a multicenter study across Spain Fuentes A. Serrano-Conde E. Roldán C. Benito-Ruesca R. Universidad de Zaragoza Mejías G. Sampedro A. March-Roselló G. Fernández-Natal I. Esperalba J. Rodríguez M.J. Martínez de Aguirre P. Salas C. Roc M.L. Soria L.M. Parra-Grande M. Montero M.D. Fernández-Roblas R. Franco-Álvarez de Luna F. Lozano C. García F. 2021 research-article