A dissertation on the properties and efficacy of the Lisbon diet-drink [electronic resource] : a medicine, for many years, successfully used in Portugal, in the cure of the venereal disease and scurvy: in which, its comparative excellence with mercury and guaiacum is considered, And the Particular Cases are pointed out, where it justly claims the Preference to Both. Together With Reflections on the Improper Use of Mercury; and the Manner of its Action on the Solids and Fluids. To which i annex'd, an appendix; With a Short State of such remarkable Venereal and Scorbutic Cases, as have been successfully treated by a Course of the Lisbon Diet-Drink. By J. Leake, Surgeon.