AUTHOR=Awasthi Vibhudutta , Bulotta Stefania , Cosco Donato TITLE=Editorial: Bypassing the Biological Barriers by Means of Biocompatible Drug Delivery Systems JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.801383 DOI=10.3389/fphar.2021.801383 ISSN=1663-9812