Reply: Immortal time bias in a retrospective study examining colorectal cancer mortality according to adherence to colonoscopy

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Zorzi M, Battagello J, Barbiellini Amidei C.

Gut. 2022 Nov 4:gutjnl-2022-328905. doi: 10.1136/gutjnl-2022-328905.

Pubmed https://pubmed.ncbi.nlm.nih.gov/36332970/