@misc{indiciae223e302cd554,
  title = {Hypersensitivity to marsh elder: difficulties encountered in patch testing.},
  author = {O WILLIAMS and R SPEAIRS and H W BOGGS},
  year = {1960},
  url = {https://pubmed.ncbi.nlm.nih.gov/13844914/},
  note = {Source identifier: 13844914}
}