Jiacheng Chen, Yuan Yu, Steven J. Drews, W. Alton Russell, Impact of dried blood spot vs. venous sample collection on SARS-CoV-2 antibody test results in the CLSA serological study of older Canadians, Journal of Clinical Virology Plus, Volume 5, Issue 4, 2025, 100236, ISSN 2667-0380, https://doi.org/10.1016/j.jcvp.2025.100236.