@misc{indiciae0ff3f0fbd347,
  title = {[Acculevel. A rapid and precise method for theophylline determination].},
  author = {J S Vilsvik and T Amundsen and I Romslo and R Walstad},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3299863/},
  note = {Source identifier: 3299863}
}