Infomed www.infomed.sld.cu/
MPPS Venezuela www.mpps.gob.ve/
MediPlus www.nlm.nih.gov/medlineplus/spanish/
Clesan Net clesan.tripod.com/clesan6.html
Manual Merck Online www.msd.es/publicaciones/mmerck_hogar/
AEMPS www.aemps.gob.es/cima/fichasTecnicas.do?metodo=detalleForm
Europapress Salud www.europapress.es/salud/
Medline Plus www.nlm.nih.gov/medlineplus/spanish/healthnews.html
Pubmed www.ncbi.nlm.nih.gov/pubmed
URL´S www.ucla.edu.ve/dmedicin/postgrado/Referencias/urls.html
WebMed www.webmd.com/
Health Central www.healthcentral.com/
Local Health www.localhealth.com/
Hardin. MD hardinmd.lib.uiowa.edu/
Aetna Intelihealth www.intelihealth.com/
Caphis caphis.mlanet.org/consumer/