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Prescribing and the regulation of formulation
  1. A. H. Beckett

    Abstract

    Unless the equivalence of different products has been established, the prescriber must define the product he requires by using the trade name. Present pharmacopoeial standards based on in vitro methods are inadequate to predict equivalence in man. There are many ways in which differences in formulation may influence absorption of drugs, and only comparable absorption profiles can be taken as evidence of equivalence.

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