MG: acetylcholine receptor antibody; only affect skeletal muscles, not smooth muscles, so pupils no change;
Graves' disease: TSH receptor antibody;
SLE: ANA antibody; anti-ds DNA (relatively specific); anti-Sm anticbod;
Pernicious anemia: Anti-intrinsic factor antibody, anti-parietal cell antibdy;
Hashimoto's disease: thyroglobin and thyroid perooxidase antibody;
Primary Biliary Cirrhosis: Alpha-mitochondria;