@misc{indiciae530603e7f478,
  title = {Birthweights in consecutive pregnancies.},
  author = {W Z Billewicz and A M Thomson},
  year = {1973},
  doi = {10.1111/j.1471-0528.1973.tb15969.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4720523/},
  note = {Source identifier: 4720523}
}