@misc{indiciae72e629354e6c,
  title = {Melatonin secretion after surgery.},
  author = {V Srinivasan},
  year = {2001},
  doi = {10.1016/s0140-6736(05)71706-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/11229697/},
  note = {Source identifier: 11229697}
}