Helical cholangiography: complementary or substitute study for endoscopic retrograde cholangiography?

@article{Goldberg1994HelicalCC,
  title={Helical cholangiography: complementary or substitute study for endoscopic retrograde cholangiography?},
  author={Henry Goldberg},
  journal={Radiology},
  year={1994},
  volume={192 3},
  pages={615-6}
}