The standard for the biological assay of strophanthus / by J.H. Burn ; together with a report on the assay by the frog method / by J.W. Trevan.

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The standard for the biological assay of strophanthus / by J.H. Burn ; together with a report on the assay by the frog method / by J.W. Trevan. In copyright. Source: Wellcome Collection.