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Free Medical
A private site with links to over 500 health science and medical journals from around the world.

HighWire Press - Stanford University
"Stanford University Library's HighWire Press began with the online production of the weekly Journal of Biological Chemistry.

Open J-Gate
This is "the world's biggest English-language portal to open-access journals, featuring article-level searching of over 4230 OA journals."  The searcher can also limit by professional and peer-reviewed journals.

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"The Palmer Chiropractic page contains links to third-party Web sites. These links are provided solely as a convenience to you. Palmer Chiropractic is not responsible for the content of linked third-party sites and does not make any representations regarding either the content or accuracy of materials on such third-party Web sites. If you decide to access linked third-party Web sites, you do so at your own risk. Your use of third-party Web sites is subject to the Terms and Conditions of use for those sites."