1.
Mobile RZ, Warnawin S von SC, Kojo TK, et al. SARS-CoV-2 in saliva, viremia and seroprevalence for COVID-19 surveillance at a single hematopoietic stem cell transplantation center: a prospective cohort study. Rev. Inst. Med. Trop. São Paulo. 2022;64:e39. doi:10.1590/S1678-9946202264039