1. Ninety cases of paretic dementia Author(s): Trowbridge, G. R. (Grosvenor Reuben), 1863-1908 author Publication: St. Louis : [publisher not identified], [1891?] Subject(s): Neurosyphilis -- epidemiologyPennsylvania -- epidemiology
2. The comparative rarity of pulmonary tuberculosis in the highlands of Pennsylvania and the adjacent counties of New York Author(s): Hinsdale, Guy, 1858-1948 author Publication: Philadelphia : Lea Brothers & Co., [1894] Subject(s): Tuberculosis, Pulmonary -- epidemiologyTuberculosis, Pulmonary -- prevention & controlProtective FactorsClimateNew York -- epidemiologyPennsylvania -- epidemiology