 |
CDC - MMWR publications
http://www.cdc.gov/mmwr/ |
|
|
New England Journal of Medicine
http://www.nejm.org/JHome.htm |
|
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The British Medical Journal
http://www.bmj.com/bmj/ |
|
|
The Lancet
http://www.thelancet.com/ |
|
|
Nature
http://www.nature.com/ |
|
|
Science
http://www.sciencemag.org/ |
