Polysaccharides in lichens and fungi. 3. Further investigation on the structures and the antitumor activity of the polysaccharides from Gyrophora esculenta Miyoshi and Lasallia papulosa Llano.
[Distribution and biogenesis of alkaloids in Hyoscyamus: study of ontogenic variations using thin layer chromatography in Hyoscyamus muticus L and in Hyoscyamus aureus L].