Alcali vindicatum: or, The acid opiniator [sic] not guilty of truth. Being an impartial enquiry into the fallacious reasons and erroneous philosophy of a late physico-medical essay touching alcali & acid. Especially as they relate to the cause or cure of the small pox, scurvy, gout, rheumatism and consumption. To which is added a discourse of the nature and usefulness of an hypothesis in relation to the practice of physick. With a description of a most excellent medicine call’d tinctura sanitatis, of great use in all diseases of the head and stomack especially. By William Coward M.D. of the Colledge of Physicians, London.