@misc{indiciae16210e30be4f,
  title = {GP obstetrics.},
  author = {G N Marsh},
  year = {1978},
  doi = {10.1136/bmj.1.6122.1281-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/647237/},
  note = {Source identifier: 647237}
}