1School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, P. R. China.
2 Liaoning Academy of Chinese Medicine, Shenyang 110034, Liaoning Province, P. R. China.
3Liaoning University of Traditional Chinese Medicine, Shenyang 110032, Liaoning Province, P. R. China.
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