③抗nRNP/Sm：抗nRNP/Sm对混合性结缔组织病阳性率可达100%，但SLE及干燥综合征也有抗nRNP/Sm阳性检出。
O B-bod I-bod I-bod I-bod I-bod I-bod I-bod I-bod O B-bod I-bod I-bod I-bod I-bod I-bod I-bod I-bod O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O O O O B-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis O O B-bod I-bod I-bod I-bod I-bod I-bod I-bod I-bod O O O O O