Εκδοτικοί οίκοι
| http://www.lww.com | Lippincott Williams and Wilkins |
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| http://www.mosby.com | Mosby |
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| http://www.wbsaunders.com | Saunders |
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| http://www.springer.de | Springer |
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| http://www.thieme.de | Thieme |
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| http://www.bookshop.co.uk http://www.elsevier.nl |
Links to publishers |
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| http://www.gmed.net | Globetech Publications |