Analysis of information sources in references of the Wikipedia article "丙烯酰胺" in Chinese language version.
December 2002; Updated March 2003, March 2004, June 2005 and July 2006
February 2004; later updated in June 2005, July 2006, and October 2006
February 2004; later updated in June 2005, July 2006, and October 2006
December 2002; Updated March 2003, March 2004, June 2005 and July 2006
February 2004; later updated in June 2005, July 2006, and October 2006