• [1]

    . SUN Yong-Hu, GU Gui-Xiong, HONG Qing-Cheng. Medi-cal Recapitulate, 2004, 10(8): 502—505(in Chinese)(孙永虎,古桂雄,洪庆成.医学综述,2004, 10(8): 502-505)2. Bert J L, Van Dusen L J, Grace J R. Environ Res., 1989,48: 117—1273. ZHANG Yuan-Xun, CHENG Feng, LI De-Yi et al. ChineseScience Bulletin, 2001, 46(1): 35—39(in Chinese)(张元勋,程峰,李德义等.科学通报,2001, 46(1): 35-39)4. Zoger N, Wobrauschek P, Streli et al. X-Ray Spectrometry,2005, 34: 140—143