类风湿因子 lèifēngshīyīnzǐ rheumatoid factor Definitions Defs Origin Strokes Stroke Words Sentences Sents 类风湿因子 類風濕因子 lèifēngshīyīnzǐ rheumatoid factor rheumatoid factor; an antibody often found in the blood of people with rheumatoid arthritis
类风湿因子 類風濕因子 lèifēngshīyīnzǐ rheumatoid factor rheumatoid factor; an antibody often found in the blood of people with rheumatoid arthritis