@misc{indiciae295be58c6f35,
  title = {Nuclear magnetic resonance. Sample preparation.},
  author = {N J Oppenheimer},
  year = {1989},
  doi = {10.1016/0076-6879(89)76006-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2811700/},
  note = {Source identifier: 2811700}
}