@misc{indiciae3813e669ee5d,
  title = {A modified bivalve speculum.},
  author = {B V Lewis},
  year = {1974},
  doi = {10.1111/j.1471-0528.1974.tb00470.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4824693/},
  note = {Source identifier: 4824693}
}