@misc{indiciae20045263fa31,
  title = {Source of error in preparative thick-layer chromatography.},
  author = {J C Ma},
  year = {1966},
  doi = {10.1016/s0021-9673(01)91282-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/5940135/},
  note = {Source identifier: 5940135}
}