AUTHOR=Putotto Carolina , Marino Bruno , Versacci Paolo TITLE=Commentary: sVEGFR1 Is Enriched in Hepatic Vein Blood—Evidence for a Provisional Hepatic Factor Candidate? JOURNAL=Frontiers in Pediatrics VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.782779 DOI=10.3389/fped.2021.782779 ISSN=2296-2360