Methods The concentrations of serum neopterin in patients with acute rheumatic fever(ARF), chronic inactive rheumatic heart disease(CRHD) and healthy controls were measured by ELISA method.

• 方法 用ELISA 法检测急性风湿热风湿活跃期（ 活动期） 、慢性风湿性心脏病风湿静止期（ 静止期）及健康对照组血清新蝶呤的浓度。