Contaminated Heparin Associated with Adverse Clinical Events and Activation of the Contact System

Contaminated Heparin Associated with Adverse Clinical Events and Activation of the Contact System Original Article, N Engl J Med 2008:358;2457-2467. and Outbreak of Adverse Reactions Associated with Contaminated Heparin Original Article, N Engl J Med 2008:359;2674-2684.. The disclosure statements should have included the following: “Dr. Sasisekharan reports being a named inventor on issued and pending patents concerning the structure and biology of complex glycosaminoglycans.” We regret the errors.