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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 12, No. 2, pp. 115–119, February, 1978.
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Ermolaev, A.V., Sus, T.A., Tyukavkina, N.S. et al. Extraction and gel-chromatographic methods of fractionation of polyvinylpyrrolidone. Pharm Chem J 12, 250–254 (1978). https://doi.org/10.1007/BF00778376
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DOI: https://doi.org/10.1007/BF00778376