An experimental inquiry into the properties of opium, and its effects on living subjects: with observations on its history, preparations and uses. Being the disputation which gained the Harveian Prize for ... 1785 / [John Leigh].

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An experimental inquiry into the properties of opium, and its effects on living subjects: with observations on its history, preparations and uses. Being the disputation which gained the Harveian Prize for ... 1785 / [John Leigh]. Public Domain Mark. Source: Wellcome Collection.