@misc{indiciae23ef3341425e,
  title = {A mechanical pipette.},
  author = {B SINGH},
  year = {1949},
  doi = {10.1136/sti.25.4.202},
  url = {https://pubmed.ncbi.nlm.nih.gov/15408265/},
  note = {Source identifier: 15408265}
}