Government health investment and health equity in urban and rural areas 并列题名：Government health investment and health equity in urban and rural areas 并列题名：On the equalization in health and medical service in urban and rural areas Research on reading activities in urban and rural areas 并列题名：Research on reading activities in urban and rural areas On the equalization in health and medical service in urban and rural areas Poverty and mental health among urban and rural elderly based on the coordinated development of urban and rural areas