@misc{indiciae732d795d7e06,
  title = {Separation of methylated basic amino acids.},
  author = {R Helm and O Vancíková and K Macek and Z Deyl},
  year = {1977},
  doi = {10.1016/s0021-9673(00)83503-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/14170/},
  note = {Source identifier: 14170}
}