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The chemists' and dispensers' vade mecum: medical, chemical, and pharmaceutical, or, Things worth knowing in pharmacy, materia medica, and therapeutics, containing a key to dispensing difficulties which occur in physicians' prescriptions, with practical solutions by various members of the trade; also hints on prescribing, management of leeches, medicated lozenges, together with a large selection of useful formulary / by William Canning. Public Domain Mark. Source: Wellcome Collection.