Source:http://linkedlifedata.com/resource/umls/id/C0282411
MSH: Work consisting of a critical or explanatory note written to discuss, support, or dispute an article or other presentation previously published. It may take the form of an article, letter, editorial, etc. It appears in publications under a variety of names: comment, commentary, editorial comment, viewpoint, etc.,NCI: A written explanation, observation or criticism added to textual material.