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http://www.census.gov/compendia/statab/cats/puerto_rico_the_island_areas.html
. Accessed 2016
2. International Monetary Fund (2016) World economic outlook: subdued demand: symptoms and remedies. Washington, October.
https://www.imf.org/external/pubs/ft/weo/2016/02/pdf/text.pdf
. Accessed 2017
3. US Bureau of Economic Analysis (2016) “BEA Economic Accounts” (PDF).
https://www.revolvy.com/main/index.php?s=Bureau%20of%20Economic%20Analysis
. Accessed 21 June 2016
4. Instituto de Estadística de Puerto Rico del Estado Libre Asociado de Puerto Rico (2015) Perfil del Migrante.
http://www.estadisticas.pr/iepr/LinkClick.aspx?fileticket=6fUAO4gbb0%3D&tabid=165
. Accessed 2016
5. Canino GJ, Bird HR, Shrout PE, Rubio-Stipec M, Bravo M, Martínez R, Sesman M, Guevara LM (1987) The prevalence of specific psychiatric disorders in Puerto Rico. Arch Gen Psychiatry 44:727–735