The effects of recessive placement of spherical headed silicone tube for chronic dacryocystitis
LU Jun-Hua, PAN Xue-Fei, ZHAO Mao-Zhu
Ophthalmology in China . 2014, (2): 126 -129 .  DOI: 10.13281/j.cnki.issn.1004-4469.2014.02.013