@misc{indiciae551ec617a0e5, title = {High precision unit for sample concentration and its application for thin-layer chromatography.}, author = {V Gopper and H J Paulus}, year = {1973}, doi = {10.1080/0002889738506864}, url = {https://pubmed.ncbi.nlm.nih.gov/4747732/}, note = {Source identifier: 4747732} }