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Demonstrating serological changes induced by ragweed extract 

Demonstrating serological changes induced by ragweed extract
Demonstrating serological changes induced by ragweed extract

N Franklin Adkinson Jr

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date: 21 June 2021

A previous publication has shown that injections of ragweed extract produced certain serum changes in ragweed sensitive patients. . . . It seemed theoretically possible that these serological alterations induced by ragweed extract injected into ragweed sensitive cases might be connected with or even due to the reaction between antigen and sensitized tissue. If this were true similar serum changes might be induced by creating skin reactions in non-sensitive individuals with injections of sensitive serum and antigen while injection of ragweed extract alone in non-sensitive test subjects would not show serum changes. That this hypothesis was incorrect will be shown in the results of the study here reported.

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