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The requested URL /bookmarks/mark?op=add&bkmk=https%3A//jnm.snmjournals.org/content/62/supplement_1/103&title=11C-MC1%20has%20adequate%20sensitivity%20to%20measure%20low%20density%20cyclooxygenase%202%20%28COX-2%29%20in%20healthy%20human%20brain was not found on this server. That’s all we know.