[Tubeless gastric analysis with cation exchange resins].

@article{Alsted1958TubelessGA,
  title={[Tubeless gastric analysis with cation exchange resins].},
  author={G Alsted and Poul Halberg},
  journal={Ugeskrift for laeger},
  year={1958},
  volume={120 37},
  pages={1228-30}
}