@misc{indiciaeaea4749ad705,
  title = {Pectin and its Hypothetical Precursor, "Protopectin.".},
  author = {F Tutin},
  year = {1923},
  doi = {10.1042/bj0170510},
  url = {https://pubmed.ncbi.nlm.nih.gov/16743244/},
  note = {Source identifier: 16743244}
}