http://fightcolorectalcancer.org/research_news/2008/05/clinical_trial_new_agent_that_blocks_hedgehog_to_treat_metastatic_colorectal_cancer C3: Colorectal Cancer Coalition is a national, nonpartisan organization whose mission is win the fight against colorectal cancer through research, empowerment and access. Tue, 09 Mar 2010 15:24:32 +0000 http://wordpress.org/?v=2.9.2 hourly 1