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1
by Bladt, Sabine
Published 1996
Springer Berlin Heidelberg
Table of Contents: ... Commercial Drugs -- Thin-Layer Chromatography Analysis of Herbal Drug Mixtures...

2
by Bladt, Sabine, Zgainski, Eva M.
Published 1984
Springer Berlin Heidelberg
... of thin-layer chromatograms of the usual commercial drugs as an aid in testing for identity and purity...