Herbs and Rehabilitation after Stroke Study: A Multi-center, Double-blinded, Randomized Trial in Hong Kong oleh Raymond Cheung, Li Xiong, Shek Kwan Chang, Choi Ting Tse, Yin Yu Pang, Vincent Mok, Thomas Leung, Tak Hong Tsoi, Richard Li, May Mok, Chee My Chang, Kwok Kwong Lau, Bun Sheng, Terrence Li, Jonas Yeung, Ping Chung Leung, Ping Chook, Ka Sing Wong