@misc{indiciae0dbece2afe47,
  title = {Placenta praevia: does uterine activity cause bleeding?},
  author = {E F Magann and C A Johnson and K S Gookin and W E Roberts and R W Martin and J C Morrison},
  year = {1993},
  doi = {10.1111/j.1479-828x.1993.tb02045.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8498933/},
  note = {Source identifier: 8498933}
}