例文
- IgE also plays a pivotal role in responses to allergens, such as : anaphylactic drugs, bee stings, and antigen preparations used in desensitization immunotherapy.
- Test sensitivity and specificity vary widely among the many tests reported for the serologic diagnosis of schistosomiasis and are dependent on both the type of antigen preparations used ( crude, purified, adult worm, egg, cercarial ) and the test procedure.
