AUTHOR=Alam Mahboob , Khan Ajmal , Wadood Abdul , Khan Ayesha , Bashir Shumaila , Aman Akhtar , Jan Abdul Khaliq , Rauf Abdur , Ahmad Bashir , Khan Abdur Rahman , Farooq Umar TITLE=Corrigendum: Bioassay-Guided Isolation of Sesquiterpene Coumarins from Ferula narthex Bioss: A New Anticancer Agent JOURNAL=Frontiers in Pharmacology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2016.00444 DOI=10.3389/fphar.2016.00444 ISSN=1663-9812