APA   Click to copy
Ladfors, L. V., Muraca, G. M., Zetterqvist, J., Butwick, A. J., & Stephansson, O. (2022). Postpartum haemorrhage trends in Sweden using the Robson ten group classification system: a population‐based cohort study. British Journal of Obstetrics and Gynaecology, 129(4), 562–571. https://doi.org/10.1111/1471-0528.16931

Chicago/Turabian   Click to copy
Ladfors, Linnea V, Giulia M Muraca, Johan Zetterqvist, Alexander J Butwick, and Olof Stephansson. “Postpartum Haemorrhage Trends in Sweden Using the Robson Ten Group Classification System: a Population‐Based Cohort Study.” British Journal of Obstetrics and Gynaecology 129, no. 4 (2022): 562–71.

MLA   Click to copy
Ladfors, Linnea V., et al. “Postpartum Haemorrhage Trends in Sweden Using the Robson Ten Group Classification System: a Population‐Based Cohort Study.” British Journal of Obstetrics and Gynaecology, vol. 129, no. 4, 2022, pp. 562–71, doi:10.1111/1471-0528.16931.

@article{linnea2022a,
  title = {Postpartum haemorrhage trends in Sweden using the Robson ten group classification system: a population‐based cohort study},
  year = {2022},
  issue = {4},
  journal = {British Journal of Obstetrics and Gynaecology},
  pages = {562-71},
  volume = {129},
  doi = {10.1111/1471-0528.16931},
  author = {Ladfors, Linnea V and Muraca, Giulia M and Zetterqvist, Johan and Butwick, Alexander J and Stephansson, Olof}
}