Evaluation of commercial and automated SARS-CoV-2 IgG and IgA ELISAs using coronavirus disease (COVID-19) patient samples Jääskeläinen, Anne J and Kekäläinen, Eliisa and Kallio-Kokko, Hannimari and Mannonen, Laura and Kortela, Elisa and Vapalahti, Olli and Kurkela, Satu and Lappalainen, Maija, Eurosurveillance, 25, 2000603 (2020), https://doi.org/10.2807/1560-7917.ES.2020.25.18.2000603