The truth unvail'd for the public good : Or, A treatise on the stone. Wherein Mrs. Stephen's medicines are set forth at large, and undeniably prov'd from abundance of cases to be a proper solvent for the stone; with directions for preparing and using the same with success; being absolutely necessary for all families. To which is added, a candid examination of Dr. Henry Bracken's nostrums, with an epistle dedicatory to the said doctor. By Omnelio Pitcarne, M.D.