Recombinant DNA 
Technical Bulletin 
Volume 2 Number 1 
April, 1979 
Prepared by the 
Office of Recombinant DNA Activities 
National Institute of General Medical Sciences 
U.S. DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE 
Public Health Service 
National Institutes of Health 
DHEW Publication No, (NIH) 79-99 
