Callus Cuture and Flavonoids Production of Saussurea medusa Flavonoid Biosynthesis and Antioxidant Activities in the Suspension Culture of Saussurea medusa Cells Comparison on internal transcribed spacers (ITS) sequences of Tibetan medicine Saussurea medusa and its easily confusable species Effect of lighting on the biosynthesis of Alkaloid in the calli of Saussurea medusa Cell Suspension Culture of Saussurea medusa in Bioreactor Somatic embryogenesis and plantlet regeneration in Saussurea medusa Maxim. A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU Cell Culture and Selection of High Flavonoids- producing Cell Lines in Saussurea medusa Cell Growth and Flavonoids Production in Suspension Culture of Saussurea medusa