@article{AlbertFarnikFriedrichRust2013,
  author    = {J{\"o}rg Gerhard Albert and Harald Farnik and Mireen Friedrich-Rust},
  title     = {Endoscopic retrograde cholangiography with balloon-assisted enteroscopy in a patient with Roux-Y anastomosis: how to reach the papilla and how to enter It},
  journal   = {Video Journal and Encyclopedia of GI Endoscopy},
  volume    = {1},
  number    = {2},
  pages     = {458 -- 459},
  doi       = {10.1016/S2212-0971(13)70205-X},
  year      = {2013},
}