TY  - GEN
AU  - Xie,Cai-Xiang
AU  - Wang,Huan
AU  - Huang,Lin-Fang
AU  - Li,Hui
AU  - Song,Jing-Yuan
TI  - Determination of production regions for pollution-free Chinese medicinal materials by geographic information system: Achyranthes bidentata (Niu Qi) in Tianjin as an example
SN  - 1749-8546
PY  - 2014///1024
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1186/1749-8546-9-25
ER  -