@misc{indiciae50c04dbdcf2e,
  title = {What do we mean by "usually"?},
  author = {J H Toogood},
  year = {1980},
  doi = {10.1016/s0140-6736(80)91544-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6103436/},
  note = {Source identifier: 6103436}
}