@misc{indiciae02af29d56d7c, title = {O-t-c astringents.}, author = {B C Walker and W B Swafford}, year = {1968}, doi = {10.1016/s0003-0465(16)30510-9}, url = {https://pubmed.ncbi.nlm.nih.gov/5639313/}, note = {Source identifier: 5639313} }