1. Letter to editors Correspondence Sadeghi Ramin, MD Nuclear Medicine Research Center, Mashhad University of Medical Sciences

2. Letter to editor It is used to give your personal opinion regarding an issue Agreement or disagreement with an article published in a journal Sometimes the editor will ask you to consider your case reports as correspondence

5. Letter to the editor The authors’ reply to a letter to editor is usually published with the letter The editor send the letter to the author and asks him/her to reply

8. Letter to editor First explain the subject (or article) you want to comment on. Then express your agreement or disagreement Give evidence Conclude

11. Letter to editor When you want to reply to a letter regarding your article Always be polite Give enough evidence to support what you did