Elixyrlogia, or, A compendious discourse wherein the eminent and effectual virtues and properties of the universal elixyr are set forth : not only for the particular use of them that would prevent the contagion of the plague ... but for the general cure, remedying, and certain prevention of most acute diseases incident to mankind ... : with the manner of taking it ... and a rational accompt how it may certainly conduce to the prolonging of life if medically administred in a little quantity every morning to an empty stomach /