Dashes - AMA Manual of Style

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Cheryl Iverson

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PRINTED FROM AMA MANUAL OF STYLE ONLINE (www.amamanualofstyle.com). © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy). date: 25 November 2015

Dashes as another form of internal punctuation convey a particular meaning or emphasize and clarify a certain section of material within a sentence. Compared with parentheses, dashes may convey a less formal or more emphatic “aside.” There are 4 types of dashes that differ in length: the em dash, the most common; the en dash; the 2-em dash; and the 3-em dash. When preparing a manuscript, if symbols for various dashes are not available in the word-processing program, use 2 hyphens to indicate an em dash (--) and 1 for an en dash (-). Em dashes are used to indicate

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