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2. J. Caldwell and R. L. Smith, in Formulations and Preparations of Dosage Forms, pp. 169–181.
3. A. Bieder and J. Gaillot, in Formulations and Preparations of Dosage Forms, pp. 181–195.
4. Principles and Perspectives in Drug Bioavailability;Mayersohn,1979
5. Variations in the bioavailability of thiazinamium methylsulfate