A candid and impartial state of the farther progress of the gout-medicine, of Doctor Le Fevre, [electronic resource] : being the evidence of the year 1770, and part of the year 1771, Displayed in A Continuation of the Effects and Operation of this Medicine, in the Author's own Case, and the Cases of others the Doctor's first Patients at Liege. To which is added, an appendix, containing a series of letters from many of Doctor Le Fevre's patients of the last Summer at London, Communicating to the Author Their Observations upon the Effects and Operation of the Powders, in their own Cases. B y Edmund Marshall, M. Vicar of Charing in Kent.