由于EPF能增强抗淋巴细胞血清抑制T细胞花环的形成，因此，玫瑰花环抑制试验是检测EPF活性的经典方法。

Since the EPF can enhance anti-lymphocyte serum inhibited T cell rosette formation, therefore, the rosette inhibition test is the classic method of detecting EPF activity.

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目的：改进E玫瑰花环试验，用于测定胸腺肽注射液的免疫活性。

Objective:To develop the improving E ros et te assay for determining the immune activity of thymus peptide injection.

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