A cheap, sure, and ready guide to health: or, A cure for a disease call'd the doctor. [electronic resource] : Instructing, how to prevent being cheated and destroyed by the exactions and unmerciful usage of ignorant and oppressive physicians and apothecaries; and to prepare at home the proper medicines for usual distempers; with their prices, to save nineteen shillings in twenty, and expend little more than a penny a dose. Likewise a new account of the connection of distempers, key to all physic, and to know any disease. Set forth by the benefaction of a very worthy private gentleman, go contain more than any book of the kind, at the lowest rate, at necessary for all families, and all persons.