@misc{indiciae646e067c2559,
  title = {Passive immunity in Plasmodium knowlesi malaria.},
  author = {G A Butcher and S Cohen and P C Garnham},
  year = {1970},
  doi = {10.1016/0035-9203(70)90104-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4993013/},
  note = {Source identifier: 4993013}
}