_:n356d62e3cac540aaafbeec3fd022da76xb1
<http://schema.org/isAccessibleForFree>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://jaclinicalreports.springeropen.com/articles/10.1186/s40981-022-00539-y/figures/1>