Ljung Rickard, Sundström Anders, Grünewald Maria, Backman Charlotte, Feltelius Nils, Gedeborg Rolf, and Zethelius Björn. 2021. “The Profile of the COvid-19 VACcination Register SAFEty Study in Sweden (CoVacSafe-SE)”. Upsala Journal of Medical Sciences 126 (1). https://doi.org/10.48101/ujms.v126.8136.