@misc{indiciae54ae91dc8882,
  title = {Subtraction macrodacryocystography.},
  author = {G A Lloyd and R A Welham},
  year = {1974},
  doi = {10.1259/0007-1285-47-559-379},
  url = {https://pubmed.ncbi.nlm.nih.gov/4605184/},
  note = {Source identifier: 4605184}
}