@misc{indiciaea4a6d801a66d,
  title = {What is black bile?},
  author = {J H Dirckx},
  year = {1997},
  doi = {10.1097/00000372-199710000-00112},
  url = {https://pubmed.ncbi.nlm.nih.gov/9335252/},
  note = {Source identifier: 9335252}
}