|Feb-1929||An Epidemiological Study of Tropical in Porto Rico||Weiss, Charles; Wilkes Weiss, Dorothy|
|Feb-1929||Coincidence of Malaria and Typhoid Fever||Ruiz Nazario, Ramón C.|
|Feb-1929||Review of Reviews||Department of Health of Porto Rico|
|Feb-1929||Statistical Reports||Department of Health of Porto Rico|
Note: Users should pay attention to the size of the file to be downloaded. If it exceeds 6 MB the browser might ask the user to download instead of viewing it directly. This may vary from one browser to another.