Methods The concentrations of FT-3,FT-4 and TSH in serum thyroid hormones were tested by radioimmunoassay in 80 cases of asphyxial neonates and 40 cases of normal neonates,paired observation was carried out.

• 方法 对 80例新生儿窒息患儿和 40例正常新生儿 ,用放射免疫法测定血中甲状腺激素 ,即游离T3 、T4(FT3 、FT4)及TSH值 ,并进行对比观察。