TY - RPRT TI - Risk Ratio and Risk Difference Estimation in Case-cohort Studies AU - Noma, Hisashi AU - Misumi, Munechika AU - Tanaka, Shiro PY - 2023 DO - 10.2188/jea.je20210509 UR - https://www.osti.gov/biblio/2470387 ID - 2470387 ER -