Tissue culture and plantlet regeneration of Rehmannia glutinosa Studies on the Constituents of the Dry Roots of Rehmannia glutinosa Libosch. Studies of Rehmannia glutinosa Libosch. f. hueichingensis as A Blood Tonic Diversity Analysis of Rhizosphere Microflora of Wild R. glutinosa Grown in Monocropping for Different Years Optimized preparation of dry powder inhalation of Rehmannia glutinosa oligosaccharides by central composite design and response surface method Cloning and expression analysis of a tyrosine decarboxylase gene from Rehmannia glutinosa Changes of Hormones in Cultivars and Wild-Type Varieties of Rehmannia glutinosa Libosch. Comparative Proteomics Analysis of R. glutinosa Tuber Root in Response to Consecutive Monoculture Studies on Cultivation Techniques for Rehmannia glutinosa Libosch. in Summer Analysis and Comparison of Free Amino Acids in Rehmannia glutinosa Libosch.and Its Processed Products