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Background
In the absence of a clear clinical history of reaction, diagnosis of cashew allergy using skin prick tests (SPT) or cashew‐specific IgE requires a high number of oral food challenges (OFC). By using Ana o 3 sIgE alone, or a two‐step diagnostic algorithm using cashew sIgE followed by Ana o 3 sIgE, there is a reduced need for OFC. We aimed to perform a cost comparison for both of these approaches...
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