@article{roizen2003-12699967,
  author  = {Roizen, N. J. and Patterson, D.},
  title   = {{Down's syndrome}},
  journal = {Lancet (London, England)},
  year    = {2003},
  doi     = {10.1016/s0140-6736(03)12987-x},
  pmid    = {12699967},
  url     = {https://doi.org/10.1016/s0140-6736(03)12987-x}
}