Health economics evaluation study of senile cataract blindness prevention project in Hezheng County, Gansu
Tao Ran1, Chen Hui2, Liu Min1, Gao Lei1, Xu Ping3, Liu Chunxiu3, Lu Qing3, XU Yang3
Ophthalmology in China . 2020, (4): 298 -303 .  DOI: 10.13281/j.cnki.issn.1004-4469.2020.04.011