These include but are not limited to congenital X-linked agammaglobulinemia, common variable immunodeficiency.    From Wordnik.com. Reference

Too little Btk causes a disease called Bruton's agammaglobulinemia, in which the B-lymphocytes fail to mature and produce antibodies, leading to infections.    From Wordnik.com.  [WebWire | Recent Headlines] Reference

These include but are not limited to congenital X-linked agammaglobulinemia, common variable immunodeficiency, Wiskott-Aldrich syndrome, and severe combined immunodeficiencies.    From Wordnik.com.  [Health News from Medical News Today] Reference

These include, but are not limited to, congenital X-linked agammaglobulinemia, common variable immunodeficiency, Wiskott-Aldrich syndrome, and severe combined immunodeficiencies.    From Wordnik.com.  [BioSpace.com Featured News and Stories]