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Opsonic activity in human serum deficient in C2.


 In “Opsonie Activity in Human Serum Deficient in C2” in the July 1972 issue of the Journal of Immunology, Volume 109, Number 1, page 141, through an oversight no mention was made that Figure 3 was prepared with the generous help of Dr. Margaret J. Polley of Scripps Clinic and its Department of Experimental Pathology, La Jolla, California.