目的对我国1992-2019年来实施的乙型肝炎（乙肝）疫苗（HepB）免疫及母婴阻断策略进行卫生经济学评价，为我国乙肝防控策略提供参考。方法构......

Objective: The aim of our study was to estimate the cost of colorectal cancer screening and to provide evidence for the ......