@misc{indiciae894534509249, title = {A simple method of isolating tonin using chromatofocusing.}, author = {E S Cheng and B J Morris}, year = {1982}, doi = {10.1016/0003-2697(82)90518-8}, url = {https://pubmed.ncbi.nlm.nih.gov/6760739/}, note = {Source identifier: 6760739} }