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Frequency of concurrence of positive IVS (IgE) to PNs and TNs of patients reporting PN and/or TN allergy (n = 76)
Frequency missing = 21. Reviewed 1330 cases that can not be characterize—no reaction or do not know.
IVS = in vitro (sensitization IgE of TNs or PNs, >0.35 kU/L); PN = peanut; TN = tree nut.
