AUTHOR=Turhanen Petri A. , Demadis Konstantinos D. , Kafarski Pawel TITLE=Editorial: Phosphonate Chemistry in Drug Design and Development JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.695128 DOI=10.3389/fchem.2021.695128 ISSN=2296-2646