Immunologically Active Polysaccharides from Tissue Cultures of Echinacea purpurea.
Wagner
H
H
Institute of Pharmaceutical Biology, University of Munich, D-8000 München 2, Karlstr. 29, FRG.
Stuppner
H
H
Puhlmann
J
J
Jurcic
K
K
Zenk
M H
MH
Lohmann-Matthes
M L
ML