TY - Front. Agric. China A1 - Qingru ZHANG, Guojun JIANG, Shupeng LI, Xiuhui ZHONG T1 - Effect of a Chinese herbal formula Astragalus immunomodulator on immune function of chickens Y1 - 2009-06-05 JF - Frontiers of Agriculture in China JO - Front. Agric. China SP - 209 EP - 215 VL - 3 IS - 2 UR - https://journal.hep.com.cn/fag N1 - 10.1007/s11703-009-0020-3 ER -