Effects of Sertraline Plus an Additive Therapy with Folic Acid on Serum Brain-derived Neurotrophic Factor and Homocysteine in Depressive Patients 
SU Zou,DING Ying,CHEN Tingting,XU Yan,WANG Chengqiang
Chinese General Practice . 2019, (27): 3333 -3338 .  DOI: 10.12114/j.issn.1007-9572.2018.00.402