DEPARTMENT OF BIOCHEMISTRY 
H 
SOUTHWESTERN MEDICAL SCHOOL 
GRADUATE SCHOOL OF BIOMEDICAL SCIENCES 
SCHOOL OF ALLIED HEALTH SCIENCES 
December 19, 1979 
Dr. Donald S. Fredrickson, Director 
National Institutes of Health 
Bethesda, Maryland 20205 
Dear Dr. Fredrickson: 
This letter is to strongly support the Recommendation made by the 
RAC on September 7, 1979 with regard to E. Coli KIZ/PI which was pu- 
blished in Federal Register 44 (232): 6923469246 on November 30, 1979. 
Sincerely 
WILLIAM T. GARRARD, Ph.D. 
Associate Professor of Biochemistry 
WTG/nm 
[542] 
5323 HARRY HINES BLVD. DALLAS, TEXAS 75235 (214)688-3338 
