筛选: Degree MPH 删除限定条件 Degree: MPH Keyword propensity score matching 删除限定条件 Keyword: propensity score matching Research Field Health Sciences, Epidemiology 删除限定条件 Research Field: Health Sciences, Epidemiology Research Field Health Sciences, General 删除限定条件 Research Field: Health Sciences, General Research Field Health Sciences, Oncology 删除限定条件 Research Field: Health Sciences, Oncology