Development and characterization of a multimeric recombinant protein using the spike protein receptor binding domain as an antigen to induce SARS‐CoV‐2 neutralization oleh Veronica A. deLima, João P. S. Nunes, Daniela S. Rosa, Rodrigo Ferreira, Maria L. V. Oliva, Robert Andreata‐Santos, Marcia Duarte‐Barbosa, Luiz M. R. Janini, Juliana T. Maricato, Milena A. Akamatsu, Paulo L. Ho, Sergio Schenkman