There are multiple definitions:

1. Bordetella pertussis toxin(English)

   • Toxicology

2. bronchoprovocation test(English)

   • presence of serum specific IgG, not sIgE, is more closely associated with positive test results
   • TDI, HSA, IgG, AHM, sIgE
   • Pulmonology, Asthma, Allergy
   • https://doi.org…94.2002.01349.x