[Root causes of quality changes in cultivated Chinese materia medica and countermeasures for high-quality production]

Chao-Geng Lyu1, Chuan-Zhi Kang1, Ya-Li He1

  • 1State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China.