{\rtf1\ansi\deff0\deftab360

{\fonttbl
{\f0\fswiss\fcharset0 Arial}
{\f1\froman\fcharset0 Times New Roman}
{\f2\fswiss\fcharset0 Verdana}
{\f3\froman\fcharset2 Symbol}
}

{\colortbl;
\red0\green0\blue0;
}

{\info
{\author Biblio 7.x}{\operator }{\title Biblio RTF Export}}

\f1\fs24
\paperw11907\paperh16839
\pgncont\pgndec\pgnstarts1\pgnrestart
Conceptual causal framework to assess the effect of SARS-CoV-2 variants on COVID-19 disease severity among hospitalized patients, Van Goethem, Nina, Serrien Ben, Vandromme Mathil, Wyndham-Thomas Chlo\'e9, Catteau Lucy, Brondeel Ruben, Klamer Sofieke, Meurisse Marjan, Cuypers Lize, Andr\'e9 Emmanuel, et al. , Archives of Public Health, Jan-12-2021, Volume 79, Issue 1, (2021)\par \par }