Objective and Methods: We tested the frequency distribution and the range of normal values of the sialic acid concentration in 386 normal human serum samples by chemical colorimeter.
目的与方法：本文采用化学比色法观察了386例正常人血清唾液酸的频率分布与正常值范围。
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Objective: To explore the computer-aided colorimeter in porcelain dental fluorosis repair in patients with clinical application.