Studies on dosage-efficacy/toxicity relationship of anti-hypoxia effects and quality standard of Tibetan medicine Brassicea Radix extract Effect of Notoginseng Radix et Rhizoma and it’s processed products on behavioral indices of mice Anti-hypoxia and Anti-glucose Deficiency Effects of PQS on Guinea Pig PapillaryMuscle in Low Frequency Electrlcal Stimulation Effect of Notoginseng Radix et Rhizoma and it’s processed products on behavioral indices of mice