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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 7, No. 10, pp. 53–55, October, 1973.
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Strukova, M.P., Fedorova, G.A., Shvedov, B.D. et al. Spectrophotometric and polarographic determination of vitamin K1 in synthetic samples. Pharm Chem J 7, 662–664 (1973). https://doi.org/10.1007/BF00780038
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DOI: https://doi.org/10.1007/BF00780038