@misc{indiciaeb9210a7ecaf9,
  title = {Letter: Subnormality at the crossroads.},
  author = {K A Day and V Gorman and R H Gwyn-Williams and D A Thomas},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92674-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4132278/},
  note = {Source identifier: 4132278}
}