Thiamin and niacin in ruminant nutrition.

@article{Harmeyer1989ThiaminAN,
  title={Thiamin and niacin in ruminant nutrition.},
  author={Johein Harmeyer and U. Kollenkirchen},
  journal={Nutrition research reviews},
  year={1989},
  volume={2 1},
  pages={201-25}
}