A Chinese Herbal Decoction, Danggui Buxue Tang, Prepared from Radix Astragali and Radix Angelicae Sinensis Stimulates the Immune Responses - Gao, Qiu T; Cheung, Jerry K H; Li, Jun; Chu, Glanice K Y; Duan, Ran; Cheung, Anna W H; Zhao, Kui J; Dong, Tina T X; Tsim, Karl W K (Planta Medica, 2006)