How to write a letter to the editor: an author's guide.

A letter to the editor provides a means of communication between the author of an article and the reader of a journal, allowing continued dialog about journal content to take place. Although not original research per se, a letter may provide new insight, make corrections, offer alternate theories, or request clarification about content printed in the journal. By providing additional information, the evidence may be strengthened. This paper provides first time writers some insight into the process of writing a letter to the editor.