[Amniotic fluid analysis in the 2d pregnancy trimester].

@article{Treffers1981AmnioticFA,
  title={[Amniotic fluid analysis in the 2d pregnancy trimester].},
  author={Pieter E Treffers and Nico J. Leschot and Marjan Verjaal},
  journal={Nederlands tijdschrift voor geneeskunde},
  year={1981},
  volume={125 13},
  pages={489-93}
}