@misc{indiciaee0d8f6ce0c7c, title = {Re: "Comparing Proportion Exposed in Case-Control Studies Using Several Control Groups".}, author = {S Greenland and W R Fairweather}, year = {1990}, doi = {10.1093/oxfordjournals.aje.a115591}, url = {https://pubmed.ncbi.nlm.nih.gov/2321638/}, note = {Source identifier: 2321638} }