Is the Increasing Incidence of Thyroid Cancer in the Nordic Countries Caused by Use of Mobile Phones?_Carlberg et al ijerph 2020 ZERO5G Posted on December 7, 2020 by Jolie DianeDecember 7, 2020 Is the Increasing Incidence of Thyroid Cancer in the Nordic Countries Caused by Use of Mobile Phones?_Carlberg et al ijerph 2020