1. FDA. Pfizer Expands Voluntary Nationwide Recall to include All Lots of CHANTIX (Varenicline) Tablets Due to N-Nitroso Varenicline Content Internet Document : 16 Sep 2021. Available from: URL:
https://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/pfizer-expands-voluntary-nationwide-recall-include-all-lots-chantixr-varenicline-tablets-due-n