A Review On Techniques For Estimation Of Nitrosamine Impurities In Antidiabetic Drugs Pioglitazones And Glifizones, Metformin. Journal of Pharmaceutical Negative Results [Internet]. 2022 Dec. 31 [cited 2026 Jun. 24];:1866-77. Available from: https://pnrjournal.com/index.php/home/article/view/8853