@misc{indiciaea69090509e08,
  title = {Interrelation between activation and polymerization in gramicidin S biosynthesis.},
  author = {H Kleinkauf and W Gevers and F Lipmann},
  year = {1969},
  doi = {10.1073/pnas.62.1.226},
  url = {https://pubmed.ncbi.nlm.nih.gov/5253659/},
  note = {Source identifier: 5253659}
}