@misc{indiciae8542d84206ef,
  title = {Pre-operative haemoglobin estimation is essential.},
  author = {B Singh and R Gupta and S P Yadav},
  year = {1994},
  doi = {10.1017/s0022215100128506},
  url = {https://pubmed.ncbi.nlm.nih.gov/7989849/},
  note = {Source identifier: 7989849}
}