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1 |
MEDLINE
http://www.pubmed.gov
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2 |
Instituto Nacional del Cáncer (NCI – USA) (en español)
http://www.cancer.gov/espanol?ref=tile
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3 |
HPV Vaccines (NCI)
http://www.nci.nih.gov/cancertopics/hpv-vaccines
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4 |
OVID
http://www.ovid.com/site/index.jsp
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5 |
Cancer literature (NCI)
http://www.cancer.gov/cancerinfo/literature
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6 |
Stanford University Hospital - The Health Library
http://www-med.stanford.edu/healthlib/
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7 |
Biblioteca Universidad de Barcelona
http://www.bib.ub.edu/
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