[Determination of N1-methylnicotinic acid amide in urine].

@article{Gassmann1958DeterminationON,
  title={[Determination of N1-methylnicotinic acid amide in urine].},
  author={Bernhard Gassmann and A SCHEUNERT},
  journal={Die Pharmazie},
  year={1958},
  volume={13 9},
  pages={515-21}
}