@misc{indiciaeb55198fa571d,
  title = {Trade systems in less-developed countries.},
  author = {J Nicholson},
  year = {2001},
  doi = {10.1016/s0140-6736(00)04769-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/11386325/},
  note = {Source identifier: 11386325}
}