1Itziar L,Marie-Charlotte B, Edward K. WHO efforts to promote repor- ting of adverse events and global learning[ J ]. Journal of Public Health Research,2013,29(2) : 168-173.
2Jha AK, Larizgoitia I,Audera-Lopez C, et al. The global burden of un- safe medical care : analytic modelling of observational studies [ J ]. BMJ Qual Saf 2013,22(10) :809-815.