The Relative Frequency of the Positive Dysentery-Skin Reaction at Different Ages

[摘要] The skin-test carried out with the toxin of the Shiga-Kruse bacillus in 675 individuals of different ages, showed 51 per cent positive results in children up to the fourth years of age; 27 per cent between four and sixteen years; 59 per cent between sixteen and twenty-three years of age.

[学科分类] 生物科学（综合）