Assisted hatching improves implantation rates on cryopreserved-thawed embryos. A randomized prospective study.

@article{Moraes2005AssistedHI,
  title={Assisted hatching improves implantation rates on cryopreserved-thawed embryos. A randomized prospective study.},
  author={Leonardo Augusto Meyer de Moraes and Ana M{\'a}rcia de Miranda Cota},
  journal={Human reproduction},
  year={2005},
  volume={20 5},
  pages={1429; author reply 1430}
}