8Geda YE, Knopman DS, Mrazek DA, et al. Depression, apolipopro - tein E genotype,and the incidence of mild cognitive impairment:A prospective cohort study[J]. Arch Neurol,2006,63(3) :435- 440.
9Yao WX, Yang B, Yao C, et al. Needlestick in iuries among nursing students in China[J]. Nurse Education Today, 2010,30 ( 5 ) : 435 - 437.