Investigación

DOAJ-Directory of Open Access Journals

https://doaj.org

Biblioteca Virtual Miguel de Cervantes

http://www.cervantesvirtual.com

Puerto Rico Biblioteca Virtual en Salud

http://puerto-rico.homolog.bvsalud.org/php/index.php

BioMed Central

http://www.biomedcentral.com

Chemistry Central

http://www.chemistrycentral.com

World Bank Group

http://www.doingbusiness.org

Índice de Desarrollo Humano

http://hdr.undp.org/es/data

HINARI (Research in Health)

http://extranet.who.int/hinari/es/journals.php

World Justice Project

http://worldjusticeproject.org

JURN

http://www.jurn.org/#gsc.tab=0

MedlinePlus

http://www.nlm.nih.gov/medlineplus/spanish/

Microsoft Academic Search

http://academic.research.microsoft.com

ProQuest Open

http://pqdtopen.proquest.com/search.html

Open DOAR- Directory of Open Access Repositories

http://www.opendoar.org/countrylist.php

World FactBook – Central Intelligence Agency (CIA)

https://www.cia.gov/library/publications/the-world-factbook/

Open Thesis

http://www.openthesis.org

PubMed- US National Library of Medicine

http://www.ncbi.nlm.nih.gov/pubmed

PhysMath Central

http://www.physmathcentral.com

Plos

https://www.plos.org/publications/journals/

Redalyc – Red de Revistas Científicas

http://www.redalyc.org/coleccionHome.oa

SciELO

http://www.scielo.org/php/index.php

Tendencias PR

http://www.tendenciaspr.com/

Instituto de Estadísticas

http://www.estadisticas.gobierno.pr/iepr/

The Doctors Channel- Video

http://www.thedoctorschannel.com

MedLine Plus

http://www.nlm.nih.gov/medlineplus/surgeryvideos.html

History Reposity for Health

http://libraria.rcm.upr.edu:8080/jspui/handle/2010/356

CONUCO

http://www.conucopr.org/