@misc{indiciae588d1bba0616,
  title = {Comments and clarification by MICRO-FLEX Systems.},
  author = {G Nalder},
  year = {1989},
  doi = {10.1093/ptj/69.5.356},
  url = {https://pubmed.ncbi.nlm.nih.gov/2710819/},
  note = {Source identifier: 2710819}
}