@misc{indiciae6dd7b27c62a2,
  title = {[Modified ruben nonrebreathing valve].},
  author = {T Hirano and T Saito and K Wakisaka and K Okazaki and K Takatsu},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5625482/},
  note = {Source identifier: 5625482}
}