|Jun-1928||Studies on the Blood Chemistry of Leprosy||Morales Otero, Pablo; Hernández, Luis G.|
|Jun-1928||A study of the Diets in Three Insular Institutions||Cook, Donald H.; Rivera, Trinita|
|Jun-1928||The Blood Sedimentation Test as a Routine Measure in Tuberculosis Dispensaries||Rodríguez Pastor, José|
|Jun-1928||Notes on the Second Session (1927-28) of the School of Tropical Medicine of the University of Porto Rico under the auspices of Columbia University||Department of Health of Porto Rico|
|Jun-1928||Brief News Notes||Department of Health of Porto Rico|
|Jun-1928||Explanatory Note||Department of Health of Porto Rico|
|Jun-1928||Statistical Reports||Department of Health of Porto Rico|
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