@misc{indiciaef103aa69bbff,
  title = {A rotary implantable pump.},
  author = {B N Ostberg and G N Ostberg and M Ostberg},
  year = {1974},
  doi = {10.1007/bf02477443},
  url = {https://pubmed.ncbi.nlm.nih.gov/4467004/},
  note = {Source identifier: 4467004}
}