@misc{indiciae288b6bda1198,
  title = {Postpartum sit-ups.},
  author = {D McDonald},
  year = {1987},
  doi = {10.1093/ptj/67.11.1765},
  url = {https://pubmed.ncbi.nlm.nih.gov/2959971/},
  note = {Source identifier: 2959971}
}