@misc{indiciae27dff11f1b20,
  title = {Smiley face.},
  author = {Valerie I Fields and Corey W Smith and Yong Ke},
  year = {2005},
  doi = {10.5858/2005-129-546-sf},
  url = {https://pubmed.ncbi.nlm.nih.gov/15794688/},
  note = {Source identifier: 15794688}
}