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Access to articles

Articles with this logo are immediately and permanently available online. Unrestricted use, distribution and reproduction in any medium is permitted, provided the article is properly cited. See our open access charter.

The full text of articles labelled 'free' is freely available online to registered users.

Access to the full text of these articles requires an online or print subscription to the journal. Abstracts are freely accessible.

All research articles are open access

The original research articles in all journals published by BioMed Central are open access.

Access to other articles

All material in the BMC journals and the independent journals published by BioMed Central is open access. This includes reviews and editorials.

BioMed Central also publishes a number of journals with a substantial amount of reviews and other premium content in addition to primary research articles: Arthritis Research and Therapy, Breast Cancer Research, Critical Care and Genome Biology. The premium content in these journals is accessible on a subscription basis. Supplements published by these journals are available free of charge to registered users.

The articles from the Current Opinion journals hold premium content and are accessible on a subscription basis.

All non-research items in Journal of Biology are freely accessible to registered users.

Meeting abstracts published by BioMed Central are freely accessible.

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