1. The effect of small doses of mercury in modifying the number of the red blood corpuscles in syphilis: a study of blood-counting with the hématimètre Author(s): Keyes, E. L. (Edward Lawrence), 1843-1924 Publication: Philadelphia : Collins, 1876 Subject(s): Syphilis -- drug therapyMercury -- therapeutic useErythrocytes -- drug effectsErythrocyte Count -- methods