13C-Octanoic acid breath test: valueless test for gastric emptying?

@article{Perri199813COctanoicAB,
  title={13C-Octanoic acid breath test: valueless test for gastric emptying?},
  author={Francesco Perri and Rocco Clemente and Virginia Festa and Angelo Andriulli},
  journal={Gastroenterology},
  year={1998},
  volume={114 4},
  pages={857-9}
}