@misc{indiciae777b71769cb2,
  title = {Adjusting for misselection using subsampling in epidemiological studies.},
  author = {M Blettner and H Becher},
  year = {1990},
  doi = {10.1002/sim.4780091111},
  url = {https://pubmed.ncbi.nlm.nih.gov/2277882/},
  note = {Source identifier: 2277882}
}