@misc{indiciae946050e0721e,
  title = {Influenza causing sunspots?},
  author = {D Lyons and G Murphy},
  year = {1990},
  doi = {10.1038/344010b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2406609/},
  note = {Source identifier: 2406609}
}