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ANA = antinuclear antibody; ANCA = anti-neutrophil cytoplasmic antibody; anti-TG = anti-thyroglobulin; anti-TP = anti-thyroperoxidase; CRP = C-reactive protein; ESR = erythrocyte sedimentation rate; NSE = neuron-specific enolase; RF = rheumatoid factor. Modified from Geschwind et al.2
