Topic: Igg Subclass Immunodeficiency
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Answers to Common Questions
What does a IgG subclass 4 blood test, test for?
It's for measuring the fourth subclass of the IgG antibody. there are many groups of antibodies: IgA, IgG, IgM, IgE, IgD. IgE has subclasses. You might want to count how much IgG-4 you have (people with immune system diseases), or to see if... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090112122812AAxA0mi
