@misc{indiciae1c119722f788, title = {Re: "Exposure opportunity in case-control studies".}, author = {S J Kuritz and J R Landis}, year = {1987}, doi = {10.1093/oxfordjournals.aje.a114629}, url = {https://pubmed.ncbi.nlm.nih.gov/3578250/}, note = {Source identifier: 3578250} }