@misc{indiciaeb8973a56687a,
  title = {Microdiffusion methods. Ammonia and urea using buffered absorbents (revised methods for ranges greater than 10mug. N).},
  author = {E J Conway and E O'malley},
  year = {1942},
  doi = {10.1042/bj0360655},
  url = {https://pubmed.ncbi.nlm.nih.gov/16747570/},
  note = {Source identifier: 16747570}
}