The enzymic activities of 20 commercial pancreatic extracts have been measured by standard (F.I.P.) methods of assay and the activities have been compared with a standard preparation of pancreatin supplied by the British Pharmacopoeia Commission. A wide range of enzymic activities was found. The tabulated cost per unit of enzymic activities provides a guide to one aspect of the potential therapeutic efficacy of pancreatic extracts in the treatment of pancreatic exocrine insufficiency.
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