@article{18213,
  author = {Douglas I. and Roberts C. and Peat B. and Algert C. and Tracy S.},
  title = {Trends in labour and birth interventions among low-risk women in NSW},
  year = {2002},
  journal = {Australian and New Zealand Journal of Obstetrics and Gynaecology},
  volume = {42},
  pages = {176-81},
  language = {eng},
}