[A] Narrative of the effects of a medicine, newly discovered, by Mr. Keyser, a German chymist in Paris, [electronic resource] : That cures the veneral disease in its most inveterate and malignant state, without salivation or strict regimen, as is now practised in France, both in private cases, and in the Military hospitals. Consisting of translated extracts from medicinal journals, monthly Mercuries, &c. that have been published by authority in Paris for these four years past. To which is prefixed, a preliminary discourse on the disease and remedy. By James Cowper, M.D.