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Biology character of human includes dactylogram, voice, face, retina, iris, palm form, palm vein, skeletal framework and so on.

人体的生物特征包括指纹、声音、人脸、视网膜、虹膜、掌形、手掌静脉、骨架等等。

IL-12 and TNF participates in the activity process of viral hepatitis, to measure the levels of serum IL-12 and TNF in early stage ma reflect the severity of viral hepatitis and be helpful to prognosticating the disease and guiding in clinical diagnosis and treatment.

早期检测血清IL-12与TNF水平，可判断病情的严重程度及预后，指导临床诊断及治疗。