1. The tonic treatment of syphilis Author(s): Keyes, E. L. (Edward Lawrence), 1843-1924 Publication: New York : Appleton, 1896 Subject(s): Syphilis -- therapyMercury -- therapeutic use
2. The tonic treatment of syphilis Author(s): Keyes, E. L. (Edward Lawrence), 1843-1924 Publication: New York : Appleton, 1877 Subject(s): Syphilis -- therapyMercury -- therapeutic use