中老年人的健康状况、健康服务的需求与提供——依据中西部5省12县调查数据的分析
중노년인적건강상황、건강복무적수구여제공——의거중서부5성12현조사수거적분석
Health Status, Health Needs and Provision of Health Services among the Middle- aged and Elderly People: Results from A Survey in ]2 Counties, 5 Provinces in Mid- western China