Multistage carcinogenesis and the incidence of thyroid cancer in the US by sex, race, stage and histology.

BMC Public Health · 2015 · PMC4539703 · PMID 26282269

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a decreasing trendno p-value reported

However, the estimated birth-cohort effects do vary by histology, and show a decreasing trend for follicular cancers since the early 1900s possibly reflecting the reductions in risk due to iodization of salt in the US [ 41 ].

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