3GEORGE G,MARTIN W.Biotechnology 1996-2000 the years of controvery[M].London:NMSI Trading Ltd,2001:135-306.
4MATTHEW C,BRUCE L.Biotechnology and the American media the policy process and the elite Press,1970 to 1999[J].Science Communication,2002,23(4):359-391.
5TOBY A,TEN E,MELISSA W.The National media and things genetic:Coverage in the New York Times (1971-2001) and the Washington Post (1977-2001)[J].Science Communication,2003,25 (2):129-152.
6LEONIE A,NICHOLAS K.Mass media communications about agrobiotechnology[J].AgBioForum,2001,4(3-4):199-208.
7BARRIE G,JULIAN K,DERYCK B.The Media and public understanding of biotechnology:A survey:of scientists and journalists[J].Science Communication,1999,20(4):373-394.