Combined use of amlodipine and folic acid are significantly more efficacious than amlodipine alone in lowering plasma homocysteine and blood pressure among hypertensive patients wi... oleh Huihui Bao, Xiao Huang, Ping Li, Changsheng Sheng, Jin Zhang, Zhirong Wang, Demin Song, Lihua Hu, Congcong Ding, Zaihua Cheng, Chen Yao, Guangliang Chen, Yimin Cui, Xianhui Qin, Genfu Tang, Xiaobin Wang, Yong Huo, Xiaoshu Cheng, Jiguang Wang