TY - JOUR T1 - Author’s response to ‘Re: Exposure to asbestos and the risk of colorectal cancer mortality: a systematic review and meta-analysis by Kwak <em>et al</em>’ JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - 656 LP - 657 DO - 10.1136/oemed-2020-106737 VL - 77 IS - 9 AU - Kyeongmin Kwak AU - Domyung Paek AU - Kyung Ehi Zoh Y1 - 2020/09/01 UR - http://oem.bmj.com/content/77/9/656.abstract N2 - We would like to thank Dr Boffetta for his comment on potential overlaps in the selection of cohorts. As we tried to keep the principle of examining all the available publications in the systematic review and avoiding the double count in the meta-analysis, we have re-examined the materials of the study again. Even though different aspects in the follow-ups of five cohorts were noted in the original review of 12 studies, we agree with Dr Boffetta that, on re-examination, there … ER -