A supplement to the pharmacopoeia; being a treatise on pharmacology in general; including not only the drugs and compounds which are used by practitioners of medicine, but also those which are sold by chemists, druggists, and herbalists, ... with a collection of the most useful medical formulæ; ... and also a very copious index ... / By Samuel Frederick Gray.

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A supplement to the pharmacopoeia; being a treatise on pharmacology in general; including not only the drugs and compounds which are used by practitioners of medicine, but also those which are sold by chemists, druggists, and herbalists, ... with a collection of the most useful medical formulæ; ... and also a very copious index ... / By Samuel Frederick Gray. Public Domain Mark. Source: Wellcome Collection.