@misc{indiciaec5f6815cb8ef,
  title = {Ptosis--current concepts.},
  author = {C Beard and J H Sullivan},
  year = {1978},
  doi = {10.1097/00004397-197801830-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/361599/},
  note = {Source identifier: 361599}
}