6Kimura T. Molecular mechanism involved in chromium ( VI) toxicity[J]. Yakugaku Zasshi, 2007, 127 (12) : 1957-1965.
7Lupien S J, Maheu F, Tu M, et al. TTie effects of stress and stress hor-mones on human cognition: Inplications for the field of brain and cognition[J]. Brain G)gn JT-Brain and ct^nition, 2007,65 (3) : 209-237.