|Oct-1927||Preliminary Report on a Rat and Flea Survey of the City of San Juan Porto Rico||Carrión, Arturo L.|
|Oct-1927||A Summaryy of Public Health Activities in Porto Rico for the year 1926-27||Ortiz, Pedro N.|
|Oct-1927||A Review of the Recent Literature on Tropical Sprue||Weiss, Charles|
|Oct-1927||Report of the Municipal health Units for the Fiscal Year 1926-27||-|
|Oct-1927||Brief News Notes||Department of Health of Porto Rico; Department of Health of Porto Rico|
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