@misc{indiciae71de109f0885,
  title = {Phenolic hydroxyl ionization in stem bromelain.},
  author = {A Tachibana and T Murachi},
  year = {1966},
  doi = {10.1021/bi00872a036},
  url = {https://pubmed.ncbi.nlm.nih.gov/5968581/},
  note = {Source identifier: 5968581}
}