AUTHOR=Kalra Rajkumar Singh , Singh Sandeep , Munshi Anjana , Bariwal Jitender TITLE=Editorial: Biological aspects of targeted drug discovery: Development of novel targets and/or chemotherapies, and drug repurposing JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.1106610 DOI=10.3389/fonc.2022.1106610 ISSN=2234-943X