Page 
Press Conference on DNA Guidelines, 
June 23: Opening Remarks by- 
Donald S. Fredrickson, M.D 569 
Selected newpaper clippings following press 
conference 574 
Letter to professional societies 580 
List of professional societies receiving 
letter 582 
Letter to editors of scientific journals 584 
List of journals and editors receiving letter 586 
List of selected review articles on 
recombinant DNA research 590 
vii 
