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Variation in Susceptibility of Guinea-pigs to Diphtheria Toxin
Published online by Cambridge University Press: 15 May 2009
Extract
1. A larger dose of toxin is necessary to kill a guinea-pig of the same weight in summer than in winter.
2. The rate of growth of guinea-pigs is more rapid in the summer months.
3. The weights of guinea-pigs are least affected by lethal doses in summer.
4. For guinea-pigs of the same weight the fatal dose increases with the age.
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