@misc{indiciae9031f8c57fa2, title = {A single extraction thin-layer chromatographic method in current use.}, author = {J H Speaker}, year = {1974}, doi = {10.1093/chromsci/12.5.297}, url = {https://pubmed.ncbi.nlm.nih.gov/4363962/}, note = {Source identifier: 4363962} }