@article{wang_davies_norman_2001, 
  title={Polycystic ovarian syndrome and the risk of spontaneous abortion following assisted reproductive technology treatment}, 
  volume={16}, 
  DOI={10.1093/humrep/16.12.2606}, 
  number={12}, 
  publisher={Oxford University Press (OUP)}, 
  author={Wang and Davies and Norman}, 
  year={2001}
  }