[Regional substitutes of Chinese drugs in northwest China].
Yue
C X
CX
D002681:China; D005309:Ferula / Q000033:anatomy & histology; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D008517:Phytotherapy; D010946:Plants, Medicinal / Q000033:anatomy & histology*; D010947:Plants, Toxic