@misc{indiciae6483e9ba9aad,
  title = {Black tongue.},
  author = {M D Ioffreda and C A Gordon and D R Adams and S J Naides and J J Miller},
  year = {2001},
  url = {https://pubmed.ncbi.nlm.nih.gov/11453829/},
  note = {Source identifier: 11453829}
}