Corrigendum: Bioassay-Guided Isolation of Sesquiterpene Coumarins from Ferula narthex Bioss: A New Anticancer Agent - Alam, Mahboob; Khan, Ajmal; Wadood, Abdul; Khan, Ayesha; Bashir, Shumaila; Aman, Akhtar; Jan, Abdul Khaliq; Rauf, Abdur; Ahmad, Bashir; Khan, Abdur Rahman; Farooq, Umar (Frontiers in Pharmacology, 2016)