Abstract
Conclusions
1. The anti-hyaluronidase titre of the normal human serum has been determined by the means of the viscosimetric method.
2. The anti-hyaluronidase titre is the same for both sexes between the ages of 21 and 30 years (32.0%). Between the ages of 31 and 60 years the titre in the serum from the normal female (38.0%), is significantly higher than that of the male (28.2%).
The bull testicular hyaluronidase was furnished through the kindness of Dr. Irwin C. Winters, Director of Research, G. D. Searle and Co.
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