@misc{indiciaef9837cc65af6,
  title = {A structure of pyridine nucleotides in solution.},
  author = {N J Oppenheimer and L J Arnold and N O Kaplan},
  year = {1971},
  doi = {10.1073/pnas.68.12.3200},
  url = {https://pubmed.ncbi.nlm.nih.gov/4332014/},
  note = {Source identifier: 4332014}
}