|Jul-1928||An Epidemiological Study of Leprosy in Porto Rico||Palacios, Gonzalo|
|Jul-1928||Epidemiology of Tuberculosis in Porto Rico: I. Mortality Statistics as Respects Race, Age, Sex, Organ Involvement and Urban or Rural Residence||Costa Mandry, O. ( see also / véase además Costa Mandry, Oscar)|
|Jul-1928||Epidemiology of Tuberculosis in Porto Rico II. Pathological Findings in 124 Routine Autopsies and 1,000 Miscellaneous Surgical Specimens||Burke, Alice M.|
|Jul-1928||Case of Human Infestation by a Dog Tapeworm||Hoffman, W. H.|
|Jul-1928||Brief News Notes||Department of Health of Porto Rico|
|Jul-1928||Statistical Reports||Department of Health of Porto Rico|
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