1. Vidal 2019. Vidal’s Handbook. Pharmaceuticals in Russia [in Russian], GEOTAR, Moscow (2019).
2. Yu. V. Sul’skaya, Ratsion. Farmakoter., No. 3 (48), 52 – 63 (2018).
3. Regulatory Document LP-004568-061217. Metformin MS. Metformin. Film-coated Tablets, 500 mg, 850 mg and 1000 mg. Replaces No. 1 LP-004568-150618. Replaces No. 2. LP004568-160120. AO Medisorb.
4. The History of Metformin: 2007 – 50 Years of Use, Ozhirenie Metab., No. 3 58 (2007).
5. State Pharmacopoeia of the Russian Federation. XIVth Ed., in 4 Vols., Vol. 3, Metformin Hydrochloride, PM.2.1.0137.18, p. 4391.