¹³¹I deposition density (kBq/m²) in the soil of Belarus as of May 10, 1986 [11].

<p>Borders and administrative centers of oblasts are highlighted in violet.</p

Results of ultrasound screening programs for thyroid nodules and thyroid cancer in Belarus after the Chernobyl accident.

<p>^a Sivuda V., Grigorovich A., personal communication, Minsk, Belarus, 2013.</p><p>Results of ultrasound screening programs for thyroid nodules and thyroid cancer in Belarus after the Chernobyl accident.</p

Recapitulation of the combination effect of radiation and nitrates on thyroid cancer risk.

<p>Exposure to both radiation and high levels of nitrates is proposed to increase risk for developing thyroid cancer.</p

Relationship between childhood thyroid cancer incidence, radiation thyroid dose and nitrate in groundwater in Belarus.

<p>^a Intercept-only model.</p><p>^b Likelihood-ratio chi-square test of the current model fit comparing to an empty model.</p><p>^c Significance of the regression coefficient associated with a given predictor in the current model, Wald chi-square test.</p><p>^d A multiplicative interaction term between radiation dose and nitrate concentration.</p><p>Relationship between childhood thyroid cancer incidence, radiation thyroid dose and nitrate in groundwater in Belarus.</p

Mean thyroid dose from ¹³¹I, nitrate in groundwater, number of pediatric thyroid cancers, and incidence rate of pediatric thyroid cancer among Belarusians 0–18 years old at the time of the Chernobyl accident.

<p>^a Adapted from [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0137226#pone.0137226.ref027" target="_blank">27</a>].</p><p>^b Crude incidence rates for 1986–2004 period.</p><p>^c Including the city of Minsk.</p><p>Mean thyroid dose from ¹³¹I, nitrate in groundwater, number of pediatric thyroid cancers, and incidence rate of pediatric thyroid cancer among Belarusians 0–18 years old at the time of the Chernobyl accident.</p

Nitrate concentration (mg/L) in groundwater from open wells in different areas of Belarus in 1988–1990.

<p>Borders and oblast administrative centers are highlighted in violet.</p