Encapsulation-Dehydration and Encapsulation-VitrificationBased Cryopreservation of in vitro-Grown Shoot-Tips of Medicinal Plant Astragalus membranaceus Quality differences of medical material, raw decoction pieces, and processed products of Astragalus membranaceus var. mongholicus Effects of environmental factors on quality of wild Astragalus membranaceus var. mongholicus grown in Hengshan Mountain, Shanxi Province Effects of environmental factors on quality of wild Astragalus membranaceus var.mongholicus grown in Hengshan Mountain, Shanxi Province Quality analysis of semi-cultivated Astragalus membranaceus var. mongholicus from Hunyuan County of Shanxi Province Quality analysis of semi-cultivated Astragalus membranaceus var. mongholicus from Hunyuan County of Shanxi Province Encapsulation-Dehydration and Encapsulation-VitrificationBased Cryopreservation of in vitro-Grown Shoot-Tips of Medicinal Plant Astragalus membranaceus Chemical constituents of Astragalus membranaceus var. mongholicus Comparative study on quality of Astragali Radix by two different planting patterns in major producing areas Determination of content of astragaloside A in Astragalus membranaceus powder for injection by TLC-spectrophotometry Correlation on quality and ecotype of Astragalus membranaceus var. mongholicus Genetic diversity analysis of germplasm of authentic Astragalus membranaceus in Inner Mongolia Elementary studies on intrinsic inhibitor that retards germinaton of seed of Astragalus membranaceus Chemical constituents of Astragalus membranaceus var. mongholicus Optimization of extraction technology of two immune active proteins from Astragalus membranaceus var. mongholicus