{Reference Type}: Letter
{Title}: Information bias for case definitions and mortality between and within studies over time undermines our understanding of COVID-19 transmission and disease severity.
{Author}: Pan D;Nishimura H;Tang JW;
{Journal}: Clin Microbiol Infect
{Volume}: 30
{Issue}: 6
{Year}: 2024 Jun 8
{Factor}: 13.31
{DOI}: 10.1016/j.cmi.2024.02.002