Introduction to a dissertation on the properties and efficacy of the Lisbon diet-drink, [electronic resource] : and its extract, in the cure of veneral disease and scurvy; Rheumatic Gout, the Scrophula, Consumption, and other Disorders proceeding from an impure State of the Blood; especially those of the Skin and Glands. to which are added sixty-three select cases, Confirming its Success and restorative Power in Consumptive Habits, and broken Constitutions. - The Extract may be taken unimpaired in its Virtues, in any Climate; and, as a mild Stomachic Alterative, has been found highly beneficial in sweetening the Blood, and repairing the Constitution. Also preparatory to Sea Bathing; and as a gentle Laxative, during the Use of Bath, Tunbridge, or Spa Waters which render the Habit costive. By John Leake, M.D. Of the Royal College of Physicians, London, and Physician to the Westminster Lying-in Hospital, at his House in Parliament-Street.