@misc{indiciae1bce3095517a, title = {Validity in estimating relative risk in case-control studies.}, author = {D G Seigel and S W Greenhouse}, year = {1973}, doi = {10.1016/0021-9681(73)90102-1}, url = {https://pubmed.ncbi.nlm.nih.gov/4714570/}, note = {Source identifier: 4714570} }