@misc{indiciae407aab206b0d, title = {Improving the efficiency of nested case-control studies of interaction by selecting controls using counter matching on exposure.}, author = {John B Cologne and Gerald B Sharp and Kazuo Neriishi and Pia K Verkasalo and Charles E Land and Kei Nakachi}, year = {2004}, doi = {10.1093/ije/dyh097}, url = {https://pubmed.ncbi.nlm.nih.gov/15105408/}, note = {Source identifier: 15105408} }