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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 9, No. 8, pp. 52–55, 1975.
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Senetskaya, L.P., Sell', E.B. Determination of amidopyrine, caffeine, phenacetin, and their mixtures by the method of spectrophotometric titration. Pharm Chem J 9, 535–538 (1975). https://doi.org/10.1007/BF00758802
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DOI: https://doi.org/10.1007/BF00758802