@misc{indiciae6b668b398658,
  title = {Letter: Granulocyte function and opsonins.},
  author = {R S Weening and D Roos},
  year = {1975},
  doi = {10.1016/s0140-6736(75)90761-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/52804/},
  note = {Source identifier: 52804}
}