Retraction notice to “Empagliflozin and neohesperidin mitigate methotrexate hepatotoxicity via Nrf2/PPARγ/HO-1 signalling initiation and suppression of NF-κB/Keap1/HSP70/caspase-3 axis in rats” [Life Sci. 278 (2021) 119638] - Retraction Notice | RetractBase