@Article{doersam1994-maa,
  author =          {Dörsam, J},
  author =          {Knopp, M V},
  author =          {Schad, L},
  author =          {Staehler, G},
  title =           {Magnetresonanzurographie - eine Alternative zur konventionellen Ausscheidungsurographie},
  journal =         {Z Urologie Poster},
  year =            {1994},
  volume =          {1},
  pages =           {42-44}}