@misc{indiciaef391b8792eed,
  title = {A simple applicator for preparative thin-layer and paper chromatography.},
  author = {S F Contractor},
  year = {1965},
  doi = {10.1016/s0021-9673(01)97391-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5866108/},
  note = {Source identifier: 5866108}
}