<p><b>Copyright information:</b></p><p>Taken from "Low-molecular-weight heparins are superior to vitamin K antagonists for the long term treatment of venous thromboembolism in patients with cancer: a cochrane systematic review"</p><p>http://www.jeccr.com/content/27/1/21</p><p>Journal of Experimental & Clinical Cancer Research : CR 2008;27(1):21-21.</p><p>Published online 18 Jul 2008</p><p>PMCID:PMC2507703.</p><p></p