Laparoscopic butterfly needle cholangiogram.

@article{Bourne2005LaparoscopicBN,
  title={Laparoscopic butterfly needle cholangiogram.},
  author={Andrew Bourne and Michael R Rhodes},
  journal={Annals of the Royal College of Surgeons of England},
  year={2005},
  volume={87 5},
  pages={387}
}