Description | For the determination of autoantibodies to the acetylcholine receptor (AChR) in serum | For the determination of antibodies to 21-hydroxylase (21-OH) in serum | For the determination of autoantibodies to aquaporin-4 (AQP4) in serum, plasma or CSF | For the determination of autoantibodies to glutamic acid decarboxylase (GAD) in serum | For the determination of antibodies to thyroglobulin (Tg) in serum |