@misc{indiciaec1be359796be,
  title = {Oral contraceptives postdatism as a complication.},
  author = {Michael Teo Yu Keng and Bibiana Teo Siew Eng},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7167086/},
  note = {Source identifier: 7167086}
}