TY - Front. Med. A1 - Qigong LIU M D , Yan ZENG , Jiani LIU , Shan YE , Yongdong LI , Zaiying LU M D , T1 - Role of nitric oxide in biological effects of vascular endothelial growth factor Y1 - 2009-09-05 JF - Frontiers of Medicine JO - Front. Med. SP - 284 EP - 286 VL - 3 IS - 3 UR - https://academic.hep.com.cn/fmd N1 - 10.1007/s11684-009-0062-1 ER -