@misc{indiciae609aea943c3c,
  title = {Improved methods for gonococcal sampling and examination on a large scale.},
  author = {B Gästrin and L O Kallings},
  year = {1968},
  doi = {10.1111/j.1699-0463.1968.tb03489.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4305521/},
  note = {Source identifier: 4305521}
}