TY  - RPRT
TI  - Tannins: classification and definition.
AU  - K Khanbabaee
AU  - T van Ree
PY  - 2001
DO  - 10.1039/b101061l
UR  - https://pubmed.ncbi.nlm.nih.gov/11820762/
ID  - 11820762
ER  -