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[Survey of heavy metals in traditional Chinese medicinal preparations].

Traditional Chinese medicinal preparations are still widely used by natives in Taiwan. Some traditional Chinese medicine prepared with ancient formulas have been found to contain some heavy metals. There has been an occasional pediatric case admitted with heavy metal intoxication. In the last two years, we collected 11 ancient formula drug samples from the families of the patients. We detected the heavy metals with an inductively-coupled plasma atomic emission spectrometry and a graphite furnace atomic absorption spectrometry. The final result of our report reveals the problem of heavy metals in traditional Chinese medicinal preparations as being very serious.