@misc{indiciae69506fb85995, title = {Exposure opportunity in epidemiologic studies.}, author = {J J Schlesselman and B V Stadel}, year = {1987}, doi = {10.1093/oxfordjournals.aje.a114517}, url = {https://pubmed.ncbi.nlm.nih.gov/3812426/}, note = {Source identifier: 3812426} }