@misc{indiciaef49c6707410e,
  title = {Pollen hyposensitization: interval between maintenance injections.},
  author = {S S Freedman and G K Boyd},
  year = {1967},
  doi = {10.3109/02770906709104324},
  url = {https://pubmed.ncbi.nlm.nih.gov/6079836/},
  note = {Source identifier: 6079836}
}