@article{oai:nvlu.repo.nii.ac.jp:00000103, author = {OSAKA, Motohisa}, journal = {日本獣医生命科学大学研究報告}, month = {Dec}, pages = {67--70}, title = {Proposal of an Improved Relative Risk Measure that Estimates Prevention as well as Promotion of Disease}, volume = {663}, year = {2014} }