@article{wardleworth_1839, 
  title={POWER OF DILATING THE MOUTH OF THE WOMB POSSESSED BY THE ERGOT OF RYE.}, 
  volume={32}, 
  DOI={10.1016/s0140-6736(01)19011-2}, 
  number={812}, 
  publisher={Elsevier BV}, 
  author={Wardleworth}, 
  year={1839}
  }