风化煤黄腐酸物质对氧自由基作用的研究
曾述之;熊继敏;张岩;张穗芳
Effects of fulvic substances of Beijing weathered coal on oxygen freeradicals
ZENG Shu-zhi;XIONG Ji-min;ZHNG Yn;ZHNG Sui-fng
中国药学杂志 . 1994, (11): 660 -663 .