I never went to university <a href="http://shenchuanfen.com/article-detials/589">usa medical supply</a>  Acting U.S. Ambassador Rosemary DiCarlo reiterated Thursday that the information provided by the U.S. to the secretary-general was based on "a very thorough assessment by the United States that indicates to a very high degree of confidence that chemical weapons were used on a small scale on multiple occasions."