@misc{indiciae503aabb7908c,
  title = {Simple sex problems.},
  author = {M Courtenay},
  year = {1981},
  doi = {10.1136/bmj.282.6270.1124},
  url = {https://pubmed.ncbi.nlm.nih.gov/6786467/},
  note = {Source identifier: 6786467}
}