@misc{indiciaefb9cb0cbfa51,
  title = {Delivering service as and when required.},
  author = {A M Jennings},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91955-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/65574/},
  note = {Source identifier: 65574}
}