Yale University 
DEPARTMENT OF MOLECULAR BIOPHYSICS 
AND BIOCHEMISTRY 
P.O. Box 6666, 260 VC'hiinty Ai*. 
Nru Ham. Coamtcticat 06^11 
f20}j 6-361 1 
January 8, 1982 
Dr. Wlllleun Gartland, Jr. 
Office of Recombinant DNA Activities 
National Institutes of Health 
Bethesda, Maryland 20205 
Dear Dr. Gartland: 
In this letter I would like to comment on the current 
proposal for a major revision of the Guidelines. Of the 
various proposals under consideration at present I would 
favor the Baltimore-Campbell proposal. 
Yours sincerely. 
Dieter S511 
Professor 
Molecular Biophysics 
DS :kam 
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