... and has divided the disease into four classes, from their different primary and secondary symptoms; making the eruptions on the skin the most certain criterion of distinguishing them from each other. These classes are:—the papular venereal disease; the pustular; The phagedenic; and the scaly venereal disease. The latter is the ... — North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 • Various
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