@misc{indiciae2472aaeebb10, title = {Interpreting negative test results.}, author = {J P Kassirer and R I Kopelman}, year = {1989}, doi = {10.1080/21548331.1989.11703761}, url = {https://pubmed.ncbi.nlm.nih.gov/2504740/}, note = {Source identifier: 2504740} }