@misc{indiciae2aa8e4c17782,
  title = {Symptoms and circulating haemoglobin level.},
  author = {P C Elwood and W E Waters and W J Greene and P Sweetnam and M M Wood},
  year = {1969},
  doi = {10.1016/0021-9681(69)90034-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5770429/},
  note = {Source identifier: 5770429}
}