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Translated from Khimiko-Farmatsevticheskii Zhurnal, No. 4, pp. 56–58, April, 1968.
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Filippos'yants, T.T., Pozdnyakova, Z.E. & Sandomirskaya, G.A. Extraction of caffeine from mother liquors in the horizontal counter-current extractor É-1200-TF. Pharm Chem J 2, 228–229 (1968). https://doi.org/10.1007/BF00759887
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DOI: https://doi.org/10.1007/BF00759887