[Surrogacy is needed].

@article{Hovatta2013SurrogacyIN,
  title={[Surrogacy is needed].},
  author={Outi Hovatta and Viveca S{\"o}derstr{\"o}m-Anttila},
  journal={Lakartidningen},
  year={2013},
  volume={110 21},
  pages={1045}
}