TY - GEN AU - Wagner,H AU - Stuppner,H AU - Puhlmann,J AU - Jurcic,K AU - Zenk,M H AU - Lohmann-Matthes,M L TI - Immunologically Active Polysaccharides from Tissue Cultures of Echinacea purpurea SN - 0032-0943 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1055/s-2007-969235 ER -