http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
publicación producida en cooperación con la Administración de Alimentos y Medicinas (Food and Drug Administration, FDA).
Title from title screen (viewed Nov. 15, 2006).
Mode of access: Internet from the Federal Trade Commission web site. Address as of 5/15/07: http://www.ftc.gov/bcp/conline/spanish/health/s-frdheal.shtm (text version), http://www.ftc.gov/bcp/conline/spanish/health/s-frdheal.pdf (PDF version); current access is available via PURL.