Significance of serum antibody against type Ⅱ collagen in patients with rheumatoid arthritis and effects of oral chicken type Ⅱ collagen treatment / 中华风湿病学杂志

ly) and healthy controls respectively. Anti-CⅡ antibody positive group showed higher prevalence rate of rheumatoid factor (RF) and anti-cyclic citrullinated peptide antibody (anti-CCP) (83.3%, 90.5%) than those of anti-CⅡ negative group (43.7%, 52.1%, P