Specificity was determined using tetanus toxoid , endotoxin , and 3 other autoantigens ( PBC . M2 , Sc170 , and GAD ) .
specificity was determined using tetanus toxoid , endotoxin , and 3 other autoantigens ( pbc . m2 , sc170 , and gad ) .
O O O O B-peptide I-peptide O B-peptide O O O O B-protein_family_or_group O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O B-protein_molecule O O