_:n32847acb1397420b9232cbdea1569ac7xb1
<http://schema.org/isAccessibleForFree>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://bmcpsychiatry.biomedcentral.com/articles/10.1186/s12888-020-02616-x/tables/2>