For citations:
Shchetinin P.P., Senchenko S.P., Gordeev K.K. N-nitrosamine Impurities in Medicines: Toxicity, Formation Pathways, Methods of Determination, and Limits (Review). Drug development & registration. 2020;9(4):180-190. (In Russ.) https://doi.org/10.33380/2305-2066-2020-9-4-180-190