|Mar-1929||Some Considerations Concerning Typhoid Fever in Porto Rico Befores and After the San Felipe Hurricane||Garrido Morales, E.|
|Mar-1929||Filterable Virus and Rickettsia Diseases in Tropics III||McKinley, Earl B.|
|Mar-1929||The Necessity of Routine Laboratory Diagnosis of Throat Infections as a Public Health Measure||Morales Otero, Pablo|
|Mar-1929||Editorial Note||Department of Health of Porto Rico|
|Mar-1929||Review of Reviews||Department of Health of Porto Rico|
|Mar-1929||Brief News||Department of Health of Porto Rico|
|Mar-1929||Statistical Reports||Department of Health of Porto Rico|
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