Investigational new drug (US) 'orphan' trials now use thalidomide from two sources.

@article{Randall1990InvestigationalND,
  title={Investigational new drug (US) 'orphan' trials now use thalidomide from two sources.},
  author={Tony Randall},
  journal={JAMA},
  year={1990},
  volume={263 11},
  pages={1474}
}