Update on assessment of fetal lung maturity.

@article{Ventolini2005UpdateOA,
  title={Update on assessment of fetal lung maturity.},
  author={Gary Ventolini and Ran Neiger and Dan L Hood and Celeste M. Belcastro},
  journal={Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology},
  year={2005},
  volume={25 6},
  pages={535-8}
}