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http://pubs.acs.org/cgi-bin/article.cgi/joceah/2004/69/i06/html/jo040137y.html>
This editorial is from the Journal of Organic Chemistry. One of the leading scientific journals on the subject in the world. Unfortunately, in spite of the Constitution, they are not allowed to publish any articles (peer reviews, comments, etc.) from Iran, Iraq, Libya, Cuba, and North Korea. So far they have been unable to publish two articles that should have been.
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"While the ACS works to have this usurpation of First Amendment rights overturned, I ask for forbearance from the organic chemistry community, in the United States and in other countries, and hope that the Editors of this Journal can continue to rely on your good will as authors, readers, and reviewers during this difficult and distasteful time. One of the authors from Iran, whose manuscript has been in limbo, graciously offered to withdraw his accepted manuscript if its publication caused me embarrassment. I am indeed embarrassed, not because of the manuscript but because of the actions of my own government. While ACS pursues legal options, I urge you to write or call the White House and the members of your Congressional delegation to ask them to take immediate action to rescind the outrageous OFAC rulings. C. Dale Poulter, Editor-in-Chief"