Chinese Journal of Epidemiology, Volume 41, Issue 6,2020, Pages 919-923, doi:10.3760/cma.j.cn112338-20191211-00873
Chinese Journal of Epidemiology, Volume 41, Issue 6,2020, Pages 801-805, doi:10.3760/cma.j.cn112338-20200406-00517
Chinese Journal of Epidemiology, Volume 41, Issue 6,2020, Pages 962-967, doi:10.3760/cma.j.cn112338-20190722-00539
Chinese Journal of Epidemiology, Volume 41, Issue 6,2020, Pages 845-849, doi:10.3760/cma.j.cn112338-20190711-00514
Chinese Journal of Epidemiology, Volume 41, Issue 6,2020, Pages 896-901, doi:10.3760/cma.j.cn112338-20200312-00320